TheGooseMan Feb 18, 2024 @ 4:24pm
Deleted "libcef.dll" and I don't know how to get it back.
Avast warned me about a virus "libcef.dll", and I believe it's something steam uses, and I have no idea how to get it back. I deleted it because I just trusted Avast. I am a little dumb but, does anyone know how to get it back?
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metamec Feb 19, 2024 @ 4:38am 
You're not dumb. You did what you thought was right to keep yourself safe. This dll is used by applications (including Steam) to implement the Chrome Embedded Framework (CEF) and it is sometimes hijacked by malware.

You were wise to be cautious, but I wouldn't panick. The chance of a false positive detection is greater.

If it happens again, you can right click the dll, select properties, then the digital signature tab, and if the name of the signer is "Valve Corp.", you know it's safe.

As for fixing the problem, simply refreshing Steam should do it. First shutdown Steam, then open a terminal window and type this:

start steam://flushconfig

Hopefully that will do the trick. Good luck!
TheGooseMan Feb 21, 2024 @ 6:30pm 
Originally posted by metamec:
You're not dumb. You did what you thought was right to keep yourself safe. This dll is used by applications (including Steam) to implement the Chrome Embedded Framework (CEF) and it is sometimes hijacked by malware.

You were wise to be cautious, but I wouldn't panick. The chance of a false positive detection is greater.

If it happens again, you can right click the dll, select properties, then the digital signature tab, and if the name of the signer is "Valve Corp.", you know it's safe.

As for fixing the problem, simply refreshing Steam should do it. First shutdown Steam, then open a terminal window and type this:

start steam://flushconfig

Hopefully that will do the trick. Good luck!


Hey, never saw your reply until just now, and I attempted it. I closed Steam (atleast that's what I believe you wanted me to do,) and I pulled up the terminal window majig, typed that in, and launched Steam back up.

I tried downloaded War thunder, but It would just pause as I continued clicking the download button. I don't know what I'm doing wrong but, I really need help with getting the DLL back.
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Date Posted: Feb 18, 2024 @ 4:24pm
Posts: 2