this post was submitted on 14 Mar 2026
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Microsoft Confirms Windows 11 Bug That Locks Users Out of the C: Drive (windowsreport.com)
submitted 4 days ago by throws_lemy@reddthat.com to c/technology@lemmy.world
159 comments fedilink hide all child comments
 

KB5077181 was released about a month ago as part of the February Patch Tuesday rollout. When the update first arrived, users reported a wide range of problems, including boot loops, login errors, and installation issues.

Microsoft has now acknowledged another problem linked to the same update. Some affected users see the message “C:\ is not accessible – Access denied” when trying to open the system drive.

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[–] DickFiasco@sh.itjust.works 85 points 4 days ago (2 children)

Huh, my computer doesn't seem to be affected.

I'm using Arch, btw.

[–] ExLisper@lemmy.curiana.net 47 points 4 days ago (2 children)

I think I'm affected because I can't access the C: Drive.

I'm using Debian, btw.

[–] LordCrom@lemmy.world 30 points 4 days ago (1 children)

I think I'm affected because I can't locate a c: drive.

I'm using Mint, BTW.

[–] Pringles@sopuli.xyz 13 points 4 days ago (1 children)

I managed to park over half the c:drive. I drive an X5, BMW.

[–] Crackhappy@lemmy.world 8 points 4 days ago (1 children)

I can't spot my c: from this altitude, in my G6

[–] mybuttnolie@sopuli.xyz 1 points 3 days ago

greetings from the International Space Station

[–] bhamlin@lemmy.world 7 points 4 days ago

There's your problem. You should be using Arch.

I use slackware, btw.

[–] psx_crab@lemmy.zip 16 points 4 days ago (1 children)

Seems like your pc isn't affected because you don't have a C drive? Try create a C drive and see if there's an issue.

[–] cabillaud@lemmy.world 1 points 3 days ago* (last edited 3 days ago)

mount c:\windows /root