All Unity Related Programs Fail Mysteriously

I’m having a really bad day in Unity. I started about a half hour ago like this:

-I edited a file in Audacity. It crashed, I tried to load it up again. Says it needs to remove old temporary files. Fine; I give it the go ahead.

-Audacity hangs and never opens a window. So I kill it with Task Manager.

-Sadly, now a music file I was editing as part of Audacity - related to my Unity project, naturally - goes all funky and won’t play.

-I kill Audacity and try playing the file in QuickTime. Gosh darn it, it doesn’t work. Big surprise.

-Try opening Unity to make sure nothing’s wrong. But you know something’s wrong when Unity hangs at the splash screen. Unity usually opens instantly; I personally think its related to the Asset Importer, but nothing’s displayed in the FailedAssetImports file.

-Kill Unity. Re-start PC. Fails again.

I have no backup files, so I’m basically screwed. NONE of the media players work on my PC (even while listening to a completely different song), nor Audacity, not even Unity (even when I open another project), even after a restart. Where are Unity’s temporary files; I want to clean it out.

This isn’t a virus; it wouldn’t work one minute then totally fail the next. Rest of PC works fine, except the important stuff related to my Unity project. Please help me - this is driving me nuts.

MS Windows 7 Home Premium 64-Bit SP1

Might be overheating
might be bad powersupply
might be flaky memory (though) should get errors
might be flaky HD
might be video
might be trojan

try a restore point
what error codes are you getting?

I was gonna say restore point and don’t be so quick to throw out virus possibility. Run a full virus scan, if you have no virus software, download the free version of avast.

My guess would be a hardware failure of your audio device. Any warnings on devices show up in Device Manager?

I’m not getting any error code. It’s just silently failing, but every other component works except for my audio players and Unity.

I do have anti-virus software and I’ve never been infected. I’m very confused about this…

First i would copy the unity project you are working on elsewhere

then move the original unity project you are working on elsewhere for now
(if it wont move some program is running a background process and has a lock on the file or device could be the cause)

install both audacity and unity over top previous install

But yeah, this more or seems like fubar audio system software / driver.

If you can copy the project to a external backup or something you can attempt the restore.

Just throwing ideas at ya!

I used system restore to solve the problem. Turns out Audacity likely screwed up my PC’s audio system. I restored it to yesterday and now I’m fine.

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