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Microsoft Confirms Windows 11 Bug That Locks Users Out of the C: Drive (windowsreport.com)
submitted 12 hours ago by throws_lemy@reddthat.com to c/technology@lemmy.world
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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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[-] rodneylives@lemmy.world 1 points 14 minutes ago* (last edited 14 minutes ago)

There was a story going around back in September ago about the person whose wife used OneDrive on her phone. It had taken upon itself to copy 25+GB of data on the phone into OneDrive, despite only having the free account tier, and copying it to their Windows 11 PC. There it completely filled up its small SSD boot drive, putting it into a condition of extremely low disk space, which in made it impossible for Windows to boot. Here it is.

[-] lemmydividebyzero@reddthat.com 1 points 15 minutes ago

I'm sick of it. I had 4 different projects with it this year at work. And we are paying them money for it....

[-] DickFiasco@sh.itjust.works 53 points 9 hours ago

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

I'm using Arch, btw.

[-] psx_crab@lemmy.zip 13 points 4 hours ago

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.

[-] bilb@lemmy.ml 4 points 5 hours ago* (last edited 5 hours ago)

Fedora's better ;) ~I posted this in a jocular mood, don't take it seriously~

[-] ExLisper@lemmy.curiana.net 33 points 8 hours ago

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

I'm using Debian, btw.

[-] LordCrom@lemmy.world 19 points 8 hours ago

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

I'm using Mint, BTW.

[-] Pringles@sopuli.xyz 8 points 7 hours ago

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

[-] Crackhappy@lemmy.world 5 points 7 hours ago

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

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[-] MadMadBunny@lemmy.ca 36 points 9 hours ago

Microslop.

[-] marighost@piefed.social 54 points 9 hours ago

Microsoft believes the issue may be related to the Samsung Share application, although the exact cause has not yet been confirmed.

30percentofcodewrittenbyai.jpeg

[-] NotMyOldRedditName@lemmy.world 16 points 9 hours ago

Who are we kidding that number is outdated at this point. Probably 40% now given the increase in ridiculous bugs.

[-] Zomg@piefed.world 17 points 8 hours ago

Sounds like they let AI touch it

[-] JoMiran@lemmy.ml 125 points 11 hours ago

[-] Damage@feddit.it 20 points 8 hours ago

Bonjour

[-] bilb@lemmy.ml 6 points 5 hours ago

That's more of an apple thing

[-] inari@piefed.zip 2 points 1 hour ago

Saluton

[-] AceFuzzLord@lemmy.zip 2 points 6 hours ago

Hello there

[-] bilb@lemmy.ml 1 points 5 hours ago

CeilingPenguin is watching you masturbate

[-] JensSpahnpasta@feddit.org 139 points 12 hours ago

There must be something really seriously wrong at Microsoft. I can understand that Windows patches are complex and that they might break some of those crazy things people are running on their machines. But how is a bug that is killing access to the C:\ drive able to get through testing? WTF are they doing?

[-] UnspecificGravity@piefed.social 2 points 1 hour ago

Probably AI code getting tested by AI.

[-] criss_cross@lemmy.world 10 points 7 hours ago

My company is starting to roll out having AI both put up PRs AND give code reviews.

I would not be surprised to hear Microslop is doing the same thing and having horrible results.

Amazing what happens when you try to turn your talent pool into lifeless casino monitors.

[-] Lost_My_Mind@lemmy.world 121 points 12 hours ago

It's going to come out that there's AI in the code. And the code testing was done by AI, who gave the buggy code the green light.

[-] Semi_Hemi_Demigod@lemmy.world 59 points 12 hours ago

Or worse: AI is doing the QA as well

[-] jaybone@lemmy.zip 3 points 5 hours ago

Quality Artificial Intelligence assurance

[-] ViatorOmnium@piefed.social 37 points 11 hours ago

What QA? Microsoft's QA was always the CEO demoing the latest repository head on stage.

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[-] yucandu@lemmy.world 21 points 10 hours ago

It's not as bad as that time they permanently deleted user documents and photos.

See they had this trick where if you didn't have enough space on your drive to unpack an update, they'd just move your shit to OneDrive temporarily, then move it back when the update was done. Only they forgot to move it back, and lost it. Oops.

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[-] ThatGuy46475@lemmy.world 57 points 12 hours ago

They don’t need testing because they tell the ai to not make any errors

[-] mybuttnolie@sopuli.xyz 21 points 10 hours ago

my boss loves AI and he uses it for everything. he made some stats graphs and summaries, and he was bragging how he got AI to make them errorless: he tells it to check for errors and makes it swear it's accurate... while we were looking at a graph where the y column numbers were all fucked up

[-] UnspecificGravity@piefed.social 1 points 1 hour ago

It's really really bad at doing spreadsheet analysis. Even basic shit that I would give to an intern. At least an intern with generally just make shit up and pretend it's not wrong even when I point it out, and if they do I get a new intern.

[-] suicidaleggroll@lemmy.world 6 points 7 hours ago

Interestingly, AI is actually pretty good at making graphs, the trick is you don't ask it to actually make the graph itself. Instead you have to ask it to write a python script to create a graph using matplotlib from whatever source file contains the data, then run that script. Same with math. Don't ask it to do math directly, instead ask it to write a bash or python script to do some math, then run that. Still not perfect, but your success rate increases by about 1000%

[-] SaharaMaleikuhm@feddit.org 1 points 22 minutes ago

That's about 90% of what I use AI for right there: silly little bash and python scripts. A graph, some image compression, ffmpeg video shenanigans, the works.

[-] jaybone@lemmy.zip 4 points 5 hours ago

Because of so much open source and stack overflow it was trained on.

But who writes bash scripts to do math?

[-] suicidaleggroll@lemmy.world 1 points 2 hours ago

But who writes bash scripts to do math?

A full script? Nobody. But you can just run it interactively on the command line, which a lot of AI clients have access to. bc works great for basic math in the shell.

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[-] MonkderVierte@lemmy.zip 27 points 11 hours ago* (last edited 11 hours ago)

It's Microslop. This is what's wrong. Also, that they fired too much of the testing staff in favor of (user-)testing rings.

[-] evol@lemmy.today 6 points 8 hours ago

No one smart is going into windows dev in 2026. It’s like working on IBM mainframes. Only people left to work are middle of the road new grads they hire and boomers who are retiring.

[-] Lanske@lemmy.world 16 points 10 hours ago

What a sloppy OS they produced!

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[-] melfie@lemy.lol 10 points 9 hours ago* (last edited 9 hours ago)

How dare you have a factual, not sensationalized headline for anything concerning Microsoft. Let me fix this for you:

Microsoft is eliminating the C drive in the latest version of Windows, leaving only OneDrive for users to store their files.

🤬

[-] pennomi@lemmy.world 36 points 12 hours ago

They need to rapidly reduce the complexity of their software if they want to get this under control. The answer is NOT to add more features, it’s to simplify things.

[-] sp3ctr4l@lemmy.dbzer0.com 37 points 11 hours ago* (last edited 11 hours ago)

They aren't capable of doing that.

Source on that is me, I worked for MSFT during the rollout of Windows 8 and the 360 red ring nightmare.

They're internally wayyyyy too culty and cliquey.

Everyone has to do things the MSFT way, and the MSFT way is team leads all leading their own thing and arguing about why its so cool and necessary.

The culture is diametrically opposed to simplifying things and reorienting around a fundamentally minimized, more stable core system.

Everything has to be able to plug into as many other things as possible, which creates insane nested dependency loops and chains that they fuck up all the time.

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[-] ryper@lemmy.ca 34 points 12 hours ago

We just had this month's Patch Tuesday and they're still dealing with problems caused by last month's?! I really need to try harder to convince my father putting Linux on his current computer is a better idea than buying a Windows 11 computer.

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this post was submitted on 14 Mar 2026
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