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This makes sense. After trying a bunch of fixes with no luck, I ended up using a data recovery tool and was actually able to get my file back. Here’s the one I used: https://apps.microsoft.com/detail/9pm3tvx83ddm?hl=en-US&gl=IN
A heads-up for everyone here, the January 2026 Windows 11 updates caused serious stability bugs – some PCs couldn’t shut down, hibernate, or even log in remotely – forcing Microsoft to release emergency out-of-band patches for 25H2 and other versions. These rollout problems might help explain some of the data loss/instability reports people are seeing.
25H2 has been messy for a lot of people, especially with file indexing and USB instability. If rollback is gone and system tools failed, stop writing to the drive and try a reliable data recovery software before things get overwritten.
Yeah!!
I updated to Windows 11 25H2 as well and found a few files missing and some folders behaving oddly later. I have not found a clear solution yet, but running disk checks. Would be interested to know if anyone managed to recover their files or identify the exact cause.
Dude, I’m right there with you in the same boat with 25H2 after that January patch it’s a complete nightmare! The major problems I’m having are as follows: random restarts have deleted 3 days’ worth of work files, my Documents folder is listed as 0KB (files are there but won’t open), my USB drives are constantly disconnecting during file transfer, and Explorer is freezing every 10 minutes when trying to access the corrupted folders.
What I’ve attempted (and largely failed at):
chkdsk C: /f /r took 6 hours, detected bad sectors but couldn’t recover anything
The System Restore points were all gone after the update
Rollback option grayed out (past 10 days)
SFC /scannow and DISM continue to fail with “source files corrupted” errors
This KB5074109 update just plain broke file system integrity for me. Anyone else experiencing USB detection failure + Explorer crashes? What build are you on exactly? (Win+R > winver)
Complete productivity killer—fixes needed ASAP!
I lost around 10–15 GB of photos. The folders are still there but the files inside are gone. Checked Recycle Bin, Previous Versions — nothing. This update seems risky.
Yes, same issue here. Right after the 25H2 update, some folders were empty and a few Excel files became unreadable. At first I thought it was an update glitch, but looks like many are affected.
Hi everyone,
Since the update of Windows 11, version 25H2, I have noticed data loss and file corruption on my system. Some of my files have vanished, while others fail to open.
Are you experiencing issues like me related to the loss of data after this latest update, and have you been able to recover or resolve this problem yourself?
On Windows 11 this combo can cause the system to hang and refuse to wake. Go to Power Options, Advanced settings, turn off Hybrid Sleep, then open Command Prompt as admin and run powercfg /h off to fully disable hibernation, then reboot. This usually stops the forced shutdown cycle. Forced restarts can cause file system errors but actual data loss is rare, and I would only consider something like Stellar Data Recovery if files are already missing or unreadable after the issue is resolved.
A direct fix people miss is Windows Core Isolation. On Windows 11 Memory Integrity can block Vanguard and trigger VAN 1067 even when Secure Boot and TPM are fine. Go to Windows Security then Device Security then Core Isolation and turn Memory Integrity off restart and launch Valorant. This change does not touch personal files and in real world cases I have not seen data loss from it so tools like Stellar Data Recovery software are usually not needed here unless something unrelated already went wrong.
No Secure Boot itself does not touch your files. What people often miss is BitLocker. If your drive is encrypted and you change Secure Boot keys or switch boot mode Windows may ask for the BitLocker recovery key and that feels like data loss even though it is not. As long as you did not reinstall Windows convert the disk or wipe TPM keys your data stays put. Before BIOS changes always suspend BitLocker or save the recovery key and you are safe. Data recovery software is only needed if the drive becomes unreadable due to a separate hardware or file system issue and in that rare case something like Stellar data recovery can help but it is not part of fixing Secure Boot.
<span class=”cf0″>High chance of recovery: you stopped in time, and the data is intact.</span>
<span class=”cf0″>DIY First: SATA direct connect + Stellar Data Recovery Free-fast scan 1GB free recover. Read only, safe.</span>
<span class=”cf0″>Skip controller fix. Pro only if undetectable.</span>
<span class=”cf0″>Family photos safe</span><span class=”cf1″>—scan now!</span>
<div class=”highlights-border-container” style=”max-width: 100%; overflow-wrap: break-word; color: #000000; font-family: system-ui, -apple-system, BlinkMacSystemFont, ‘Segoe UI’, Roboto, Oxygen, Ubuntu, Cantarell, ‘Open Sans’, ‘Helvetica Neue’, sans-serif; font-size: 20.5px; font-weight: bold;” data-v-2c6f2ede=””><span class=”highlights” style=”max-width: 100%; overflow-wrap: break-word; line-height: 29px; width: 100%; height: 100%; font-weight: 400; font-size: 16px; white-space-collapse: preserve;” data-v-2c6f2ede=””>High possibility of recovery: data is intact, you stopped in time. DIY First: SATA direct connect + Stellar Data Recovery Free-fast scan 1GB free recover. Read only, safe. Skip controller fix. Pro only if undetectable. Family photos safe—scan now!</span></div>
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I personally faced a situation involving ransomware, and the affected systems have since been cleaned and reimaged. Although most data was recovered using the backup system, it is apparent that some critical data is missing and could have been deleted as a result of the attack.
In those circumstances, what are the best ways available for restoration of leftover/partially lost data from the affected drives?
Are there ways to scan storage devices for data that didn’t come back via backup? Finding ways of recovery that works!
any help would be appreciated.