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10/14/2026 windows updated caused the worst data files auto disappeared! Be alert!
2026/10/14 23:19:49瀏覽162｜回應0｜推薦0

on 10/14/2026 (about 5:xx am showed 6 min. would auto restart), so i immediatedly saved those opened *.txt files.

in windows update , updated history shows: (10/14/2026) 

quality updates : KB5127690 , KB5127648  then KB5129195 on 9/19/2026

driver updates : Lenovo system Driver Update 26.8.0.29 then 26.7.0.7 on 9/19/2026

Definition updates : didnt, it was on 10/12/2026 KB2267602 version 1.459.691.0

other updates : KB890830 v5.146 then v5.145 on 9/19/2026

due to cursor cant move became worst cant but re-open task manager to get cursor back but more frequently lose the control so google serached :

[does 26H2 is better than 25H2, does many users still are 25H2 not update to 26H2 ?] ps i thought maybe 26H2 would be better, considering update to 26H2

Windows 11 version 26H2 is not fundamentally "better" or faster than version 25H2, and many users remain on version 25H2 because the rollout is phased and the update is largely a minor enablement package ....

Are Many Users Still on 25H2?
  • Phased Rollout: Microsoft released version 26H2 (the Windows 11 2026 Update) in late September 2026, and the rollout is intentionally phased out gradually over several months...
  • Compatibility Holds: Microsoft applies temporary compatibility holds to specific hardware configurations if known bugs are present, keeping those users on 25H2 until fixes are ready.
  • User Sentiment: Because 26H2 offers little difference in daily performance, many users and IT administrators see no urgent rush to jump right away, especially since 25H2 continues to receive full security support....

Are you currently experiencing an issue on Windows 11 25H2 that you hope 26H2 will fix, or are you trying to decide whether to manually force the upgrade?

[yes, 25H2 cant control cursor that must thru task manager to get cursor back frequently]  

Microsoft actually officially acknowledged and fixed a widespread bug exactly like this. [1]

1. The Permanent Fix: Update Windows
Microsoft resolved this specific input-stack bug in the October 13, 2026 update (KB5127648). Installing this update will permanently repair the issue....
[minutes ago just windows updated can see KB5127690(10/14/2026) and KB5126052(09/19/2026) but didnt find KB5127648, remember several days ago suddenly in update history already installed updates auto disappeared. any related my pc didnt insatll OneDrive and cloud usagage 0% so MS auto uninstalled them ?]
No, Microsoft did not uninstall your updates because of OneDrive or 0% cloud usage.
 
 
Windows Update operates completely independently of your OneDrive storage and cloud configuration.
1. Why you see KB5127690 instead of KB5127648
You dont see KB5127648 because KB5127690 is newer and replaced it.
Windows updates are cumulative. Your computer installed KB5127690 on October 14, 2026. Because this patch includes all fixes from the October 13 patch (KB5127648), Windows skipped the older package entirely. Your mouse cursor issue should already be permanently fixed by this new update! [1, 2]
--isnt it very witch-type that didnt auto updated in my pc on 10/13 but the newest version on 10/14? in my windows update always set : [get the latest updates as soon as possible] OFF  in the past can select 1 week, 2 weeks, ... but now it became [pick a date] , did last time i select 10/14 the very bad date so the newest version auto installed in stead give a chance to select a later days (usually i would select 3 weeks later) ?
 
2. Why did your update history "auto-disappear" several days ago?
When your update history suddenly clears out, it is usually triggered by one of three common system maintenance events:
  • The Servicing Stack Cleaned Itself: If Windows detects corruption in its update database or prepares for a major cumulative rollout, it will automatically flush the software distribution cache. This clears the visual list of your history, but it does not actually uninstall the updates from your system. [1, 2]  PS that means MS didnt auto unistalled those updated but users cant see the past windows updated listing as some are hided. the day found many auto disappeared i did check spouse pc he still has completely listing, i would check his pc again.
  • Corrupted Windows Update Components: If your Windows Update agent encounters a glitch, it will silently reset its database components, making the history page appear completely blank. [1, 2] PS not completely blank such as in quality updates showed as 12/23/2025, 12/26/2025, 1/13/2026, 1/25, 1/30, 2/1, 2/11, 3/10, 4/16, 5/14, 6/9, 7/21, 8/2, 9/1, 9/19, 10/14  just wonder am i better than those users got completely blank ? but worse than spouse that didnt hear his cursor daily frequently cant move?
  • Storage Sense Maintenance: If your local hard drive runs low on space, Windows Storage Sense can automatically delete old Windows Update log files to free up space, wiping the visual history. [1]  ps HD still has plenty available space, it shows :135.75GB/474.72GB 29% free
[it is 26200.9711, but after restart pc and visited news website, baidu searched, cursor auto pointed at the 2nd tab(can see arrow) then wont move i did 2 times task manager to move the cursor so can wrote in my blog and google searched for answear]
....Because the mouse still froze specifically when you hovered over browser tabs while browsing a news site and searching on Baidu, this means you are dealing with a Browser Hardware Acceleration deadlock. In Windows 11, the Desktop Window Manager (DWM) can clash with Chromium-based browsers (like Google Chrome, Microsoft Edge, or Baidu Browser) when rendering heavy elements, causing the cursor to visually lock to a tab until Task Manager resets the window focus.  PS the baidu i only serached [forbid] as this year frequently misspelled, mistyped happening that i wrote in my udn blog as forbide (i knew it is incorrectly just to make sure so serahced baidu) , i did correct and updated in my article :
-----------------------------
[特朗普称乌克兰需要新的领导人, the next which master would say to the Israle butcher that should say years ago., same as to our the rotten bastards that no desire mention his name. ] ...
10/14/2026 after waked up the screen showed PC restart in 6 min. so i immediately saved opened *.txt files and restart found the cursor became worse must frequently re-open task manager to get cursor control back but very soon cant control cursor any time.
chat with google AI then found the worst [files] auto disappeared, and get the AI permission to paste our conversations as  below:
Master Recovery Blueprint for Windows 11 Local Account Bug (Post-Update KB5127690).....
-----------------------
1. Disable Hardware Acceleration in Your Browser 
--didnt work for firefox and baidu cant find [Use graphics acceleration when available], remember it should be windows settings PS correct : thru search browser settings found it which already unchecked
2. Turn Off Mouse "Pointer Precision"
--didnt work  cant find mouse properties , pointers [Enhance pointer precision] same as above ps find in pointer options already unchecked.
3. Clear your browser cache 
--i did it and after updated some auto changed so set ON again ie when browser closed auto clear cookies and sites data. however from AI suggestions seemed MS moved(or cancelled) some those functions to browser and baidu search that companies havent added functions yet ?
the result: those diabled/unchecked didnt help at all. ie MS updated didnt solve cursor problem. however so far cursor didnt freeze yet.
[tried to find my file then found many files auto disappeared after 10/14/2026 ms updated, does happen to many users ?] PS this is the moment i found the serious 10/14 MS updated caused data files auto disappeared again. Correct: it is not auto disappeared but earlier file explorer suddenly auto moved my file folder-A  to anoother file folder-B (few times it moved back but then file explorer auto swiched version still in file folder-B. 
 
so i let AI know the result as [Correct: it is not auto disappeared but earlier file explorer suddenly auto moved my file folder-A  to anoother file folder-B (few times it moved back but then file explorer auto swiched version still in file folder-B. ]
Thank you for this crucial correction! That completely changes the situation. Knowing that File Explorer is automatically moving Folder-A inside Folder-B means your files are 100% safe and have not been deleted or hidden by a system glitch.
What you are experiencing is a known Desktop Window Manager (DWM) mouse-drag deadlock caused by the October 14 update. Because of the cursor bug you experienced earlier (where the mouse freezes or jumps), Windows is registering a "ghost" click-and-hold. When you move your mouse across the screen, File Explorer thinks you are manually dragging and dropping Folder-A into Folder-B.
Here is how to quickly fix this behavior so your folders stay exactly where you want them:
 
1. How to Undo the Automatic Move Immediately
The moment you see File Explorer accidentally move a folder into another one, you can instantly reverse it using a keyboard shortcut:
  • Press Ctrl + Z on your keyboard. This is the universal "Undo" command in Windows. It will immediately pull Folder-A back out of Folder-B and place it back where it belongs.
 
2. Turn Off "Snap to" Mouse Settings
Windows has a feature that automatically jumps the cursor to default buttons or folders when a window updates, which triggers these accidental folder drops.
  1. Press the Windows Key, type main.cpl, and press Enter to open your Mouse Properties.
  2. Click on the Pointer Options tab at the top.
  3. Under the Snap To section, uncheck the box that says "Automatically move pointer to the default button in a dialog box".
  4. Click Apply and then OK.
 
3. Change File Explorers Click Settings to Prevent "Ghost Drags"
You can make File Explorer less sensitive to accidental clicks and drags by forcing it to require an explicit double-click to interact with folders:
  1. Open File Explorer.
  2. Click the Three Dots (...) on the top menu bar and select Options
     
     
    .
  3. Under the General tab, look at the "Click items as follows" section.
  4. Ensure "Double-click to open an item (single-click to select)" is selected.
  5. Click Apply and OK.
Your files are entirely intact on your hard drive; your mouse driver and File Explorer are simply miscommunicating due to the recent update patch. You can safely save this text to your blog as well!
 
Are you able to manually open Folder-B right now and see all your missing files safely sitting inside it?
[the question is : it happened several days ago, i found out now because i wrote in udn blog about how it happened by sequence after 10/14/2026 ms updated then during writing i refreshed my memory then realize [the folder was not where it original is then found out it auto moved to folder-B. in this case it is too late by ctrl Z , correctly ?]
You are 100% correct. Because this happened several days ago, pressing Ctrl + Z will not work now. The "Undo" memory clears out the moment you close File Explorer or restart your PC, so it is definitely too late for that shortcut.
The Safe Way to Move Folder-A Back Home
To make sure File Explorer doesnt glitch and drop your folder into a third random place while you are moving it, use the keyboard "Cut and Paste" method. This is much safer than dragging it with your mouse:
  1. Open Folder-B where your missing folder is currently stuck.
  2. Click once on Folder-A to highlight it.
  3. Press Ctrl + X on your keyboard (this is the "Cut" command—the folder icon will turn slightly faded).
  4. Go back to the original place where you want the folder to live (like your main C:\ drive or your main user directory).
     
     
  5. Click on an empty white space in that window, and press Ctrl + V on your keyboard (this is the "Paste" command).

[may i ask that i felt file explorer has several differnt versions (or made by different companies ) even today move back to where it was, the next time that particular file explorer version still popped up the wrong folder-B. i got tthe feeling for many years and did search that showed yes, but shouldnt so frequently happen to me it almost happen daily and more than once. that can see 1. differnet word font size or character style 2. updated files became older version 3. files (include this folder-A) auto disappeared in front of my face ...]

It makes complete sense why you feel this way. What you are describing is not an illusion—it is a well-documented engineering reality inside Windows 11. You are seeing different visual styles, changing text fonts, and files moving or vanishing right before your eyes because Windows 11 is running multiple, conflicting versions of File Explorer simultaneously, and they are constantly fighting each other for control.
Here is exactly why this happens, why it affects you so frequently, and what is causing your files to seemingly "roll back" to older versions.
 
 
1. Why you see different fonts and visual styles
Microsoft never fully removed the old code when they updated Windows. Windows 11 actually has three different generations of File Explorer running at the same time under the hood:
  • The Modern Windows 11 Explorer: Features tabs, rounded corners, large modern spacing, and updated fonts.
  • The Legacy Windows 10 Explorer: Hidden underneath, featuring the old "Ribbon" menu bar at the top, tighter text spacing, and a slightly different system font.
  • The Control Panel Explorer: A deeply buried Windows 7/8 era file browser that pops up whenever an older app or legacy dialogue box (like choosing a file to upload to a website) calls for a folder.
When you open a folder natively, you might get the modern version. But when you are browsing on your udn blog and click "Upload Image" or use an older app, Windows suddenly forces a legacy version of File Explorer to open. Because the different versions handle folder memory differently, one version might correctly show your folder where you put it, while the older version relies on an outdated folder cache and points directly to the wrong Folder-B.
--most time is writing few uploaded pictures/photos, the only visited news websites which has pictures but udn block or else recently those pictures or videos auto filter out, myself also tried (correct x not)  avoid it by several copy segments instead select all  and copy/paste.
 
2. Why updated files suddenly become "Older Versions"
This is a side effect of a core system component called the Windows Search Indexer crashing during cumulative update rollouts.
  • To make searching fast, Windows keeps a giant catalog (an index) of your files.
  • When File Explorer glitches or updates, the live folder view crashes, and Windows falls back on a pre-saved snapshot of your drive from hours or days ago to display your folders.
  • Visually, it looks like your files just "rolled back in time" or older versions replaced your new ones, when in reality, Windows is just showing you a frozen, outdated visual map of your hard drive.
 
3. Why folders "disappear right in front of your face"
When a folder vanishes while you are staring at the screen, it is usually a Desktop Window Manager (DWM) refresh failure.
Because of the mouse-cursor stack bug introduced in recent updates, Windows frequently fails to trigger an "Auto-Refresh" command on the screen. If you move, rename, or edit a file, File Explorer fails to paint the new data onto your monitor. The folder appears to instantly vanish or empty out, but if you press the F5 key on your keyboard (the universal Refresh command), it forces the screen to rebuild itself, and the files instantly reappear.
 
This happens more to you because you are a Local Account
Because your cloud usage is 0% and you do not sync with Microsoft servers, Windows cannot verify your account structure against an online cloud blueprint when these Explorer versions clash. Any local cache mismatch directly plays out on your local screen, leading to these jarring, daily inconsistencies that feel almost like someone is messing with your PC.
 
When a folder vanishes or rolls back in front of you, does pressing the F5 key on your keyboard instantly make the modern text style refresh and bring the missing items back into view?
[not until it happen again and if i still remember press F5 key can revert. basicially i dont think so as Lenovo change the MS control keys setting, F5 (light -) bcame dimmer. even in task manager processes the Lenovo Fn 2 processes didt show up any more.]  ...
  1. Look closely at your Esc key in the top-left corner. Check if there is a tiny lock icon or the letters "FnLock" printed on it.
  2. Press the Fn key and the Esc key at the exact same time.
     
     
  3. If successful, a small light on the Esc key might turn on, or a notification will pop up on your screen. This swaps your top row so F5 instantly functions as the Refresh key without needing to hold Fn down anymore.
-- i remember it is the way to swich MS and Lenovo Fn keys setting... to me if not daily use would totally forgot.  Case Closed. 
--------------------------------------------
10/14/2026 it was about 2:00pm i done today job portion -- cut off plants leaves. if it wont rain then would continue work in yard as today is chill didt get mosquitoes bite. after done cooking, spouse need me help that he thought his pc ear phone connected broke, i remind him MS updated yesterday. then he showed to me his windows setting screen that looks normal. but i told him (x me) i wanted chat with AI, he became a bit upset answeared [do you think i am moron?] cant but explain whenever MS updated it would reset something and always has to check again to set what it was before. so google searched :
[spouse after MS updated he found the ear phone cant hear anything but windows settings can see the volume up down and without ear phone his pc can hear the sound, is it MS updated cause problem that last night before went to bed still working until 9am he need ear phone.]
Yes, a Windows (Microsoft) update can absolutely cause this problem. It is very common for an automatic update to overwrite working audio drivers with generic ones, or to accidentally change the systems default audio output path. Because the volume meters are physically moving up and down in the settings, Windows thinks it is playing audio, but it is directing it to the wrong path or the driver is failing to push it to the headphone jack. [1, 2, 3]
Since the computer speakers work perfectly, your husband can easily fix his earphones by following these targeted steps:
 
1. Manually Re-select the Earphones
Sometimes the update changes where Windows sends the sound. [1, 2]
  • Click the Speaker icon in the bottom-right corner of the taskbar.
  • Click the small arrow next to the volume slider (or click the output device name) to see the list of playback devices.
  • Look for Headphones or the name of his earphone brand and select it. [1, 2, 3, 4]
 
2. Check the Volume Mixer
Windows allows individual apps or devices to be muted independently. [1]
  • Go to Settings > System > Sound.
  • Scroll down and click on Volume mixer.
  • Ensure that the default output device is set to his earphones and that no apps or device sliders are muted. [1, 2, 3, 4]  -- PS it showed headphone due to plugin earphone after open windows settings, close settings, plugin earphone, reopen windows settings then found volume became 0 so adjust it and it did auto show earphone. it  fixed. 
 
3. Uninstall and Reinstall the Audio Driver (Most Reliable Fix)
If the update corrupted the driver, forcing Windows to reinstall it usually fixes it instantly. [1]
  • Right-click the Start Menu button and select Device Manager.
  • Scroll down and expand Sound, video and game controllers by clicking the arrow next to it.
  • Look for his primary audio driver—it is usually called Realtek Audio, High Definition Audio, or the brand name of his earphones.
  • Right-click it and choose Uninstall device. If a checkbox appears saying "Attempt to remove the driver for this device," leave it unchecked. Click Uninstall.
  • Restart the computer. When Windows turns back on, it will automatically detect the missing driver and reinstall a fresh, clean copy. [1, 2, 3, 4, 5, 6]
 
4. Turn Off Audio Enhancements
Updates sometimes activate sound "enhancements" that the earphone hardware cannot process. [1, 2]
  • Go to Settings > System > Sound.
  • Click on his earphones to open their Properties.
  • Look for Audio enhancements and select Off from the drop-down menu. [1, 2]
If youd like to troubleshoot further, let me know:
  • Are the earphones wired (plugged into a jack) or wireless (Bluetooth)?
  • What is the brand or model of the earphones? [1]
PS spouse told me MS updating now.   
--i am not sure did yesterday - today before 9am MS did update or not, whether now is MS another new updating or it should be same as yesterday did to my pc.

ps tried to post in my another article but got error message as :

Access Denied
You dont have permission to access "http://blog.udn.com/manage/article/mag_post.jsp?" on this server.
Reference #18.2053d117.1792008841.4930e230
https://errors.edgesuite.net/18.2053d117.1792008841.4930e230

--also cause by 10/14/2026 MS updated in taiwan?  maybe today is busy day for companies to fix/maintain MS updated caused the problems ? 

got another error as :

Reference #18.2053d117.1792009280.493a339c 
https://errors.edgesuite.net/18.2053d117.1792009280.493a339c

--so i am back to work in yard.... hoping return every thing back to normal ! 

-----------------------------------

10/17/2026 searched [why firefox browser suddenly cursor still auto switch to another tab after set browser.tabs.loadBookmarksInBackground True, can it cause by KB2267602 version  1.461.67.0 and 1.461.76.0 updated today ?] 

--after returned from yard, the serious problem made me frequently must click the tab i was reading or writng in udn blog, just felt hacker control my pc forbid me to read sohu.com posters articles, searched and found about:config, browser.tabs.loadBookmarksInBackground was OFF so changed to [True] but didnt work. immediately verify windows settings update history the [Definition updates] today at 4:01pm updated.

Firefox auto‑switching to new tabs despite browser.tabs.loadBookmarksInBackground

Yes — recent Firefox updates (including KB2267602) can reset or override browser.tabs.loadBookmarksInBackground, so you may need to re‑enable it in about:config or adjust other related settings.

Why this happens

Firefox’s browser.tabs.loadBookmarksInBackground setting controls whether middle‑clicking or Ctrl‑clicking a bookmark opens it in a new tab in the background. However, this setting can be reset by:

  • Firefox updates — some updates (including KB2267602) may reset certain about:config preferences to defaults, or change default behavior for new tabs Mozilla Support+1.

  • Other related settings — even if loadBookmarksInBackground is true, other preferences like browser.tabs.loadDivertedInBackground or browser.search.context.loadInBackground can still cause immediate switching Mozilla Connect.

  • Add‑ons or extensions — some extensions can override tab‑opening behavior.

  • Profile corruption — if your profile is damaged, settings may revert.

How to fix it

  1. Re‑enable the setting in about:config

    • Type about:config in the address bar.

    • Search for browser.tabs.loadBookmarksInBackground and set it to true (double‑click to toggle).  PS just did a couple minutes ago

    • If it’s already true, check for other browser.tabs.load*inBackground preferences and set them to true as well Reddit.  PS showed 3, top 2 were OFF so changed to [True] 

  2. Check the General settings

    • Go to Settings → General → When you open a link, image or media in a new tab, switch to it immediately and ensure it’s unchecked. PS already did, now it didnt auto switch to another tab. problem fixed. just quite exhausted by MS daily updated which always got this and that problems, the worst is cursor-related included tab aut swiched. 

    • 10/18/026 it works but when clicked one of sohu.com news it stay in the current tab wont move to the new tab, it took me a quite while then realized the problem so must close many tabs (the same news). i felt it was worse than before.

  3. Test in Troubleshoot Mode

    • Start Firefox in Troubleshoot Mode (Shift + Firefox) to see if add‑ons are causing the issue. If the problem disappears, disable extensions one by one to find the culprit Mozilla Support.

  4. Clear cache and cookies

    • Clear cookies and site data, and also clear the startup cache from Help → Troubleshooting Information → Clear startup cache Mozilla Support.

  5. Update or reinstall Firefox

    • If the issue started after KB2267602, you can try rolling back to the previous version or reinstalling Firefox to see if the problem persists.

Extra tip

If you want a more consistent behavior, Mozilla’s community has suggested adding a global toggle for “open new tabs in background” to the settings UI, but for now you must manage it via about:config Mozilla Connect.

In short: The update may have reset your setting, so re‑enable browser.tabs.loadBookmarksInBackground in about:config, check related settings, and test in Troubleshoot Mode to rule out add‑on interference.

10/18/2026 searched [what is researchgate.net ? why auto popped up in firefox tabs .]

ResearchGate is the professional network for scientists and researchers. Our platform provides a global community of over 25 million …

--have no idea what ResearchGate to do with me.

10/19/2026 1:00am happened again that ResearchGate showed in manage cookies and site data even even removed still cant auto jump to another tab.

it is all about usa companies dd to users by auto pop up their adv. which so ridiculous.

now it became britannic.com searched and showed [Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective …] 10/19/2026 8:26 it became worse. auto popped up [choose a tab ...] such as pin tab. and made sound like [dong] and cursor wont move unless tried hard to make it go away,  however if open the normal browser it didnt have the problem.

i almost tried to update firefox but then think of what is another new weird sympton adding to so stop especially got information no need update to 26H2 as MS working on solve millions problems of 25H2. the multi tabs i can see it changed with very clearly square box for each tab, i tried to close the last tab then it auto closed the whole private browser. fortunatelt already saved what i typed. with no expection re-open private browser, so far it didnt happen yet. does it mean MS solve it? or whenever it happens just close and re-open browser ? i found out why sometimes auto re-open my data files and if i didnt save them again then they all auto disappeared, it happened when i waked up i worried they might auto embeded virus and did check file explorer it existed, so closed all popped up data files. then check them again they are all auto disappeared. and mouse disappeared too, the mouse pad no response until open the task manager. ... what a messy very badly MS design, i really dont think MS can solve it.
( 知識學習｜科學百科 )
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