Renamed file xaudio2_7 please help

PlayPals

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Nov 13, 2015
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I recently renamed the file in system32 "xaudio2_7.dll" to stop a game from crashing. However, I did not follow the directions and ended up forgetting to make a copy of the file and remembering what the name of the file is now. Long story short, some games have no audio now. Is there any way I can fix this?
 
Solution
Look for the file with a .old extension as most renaming type help usually uses that convention.
Which OS is this> I'm assuming 10 but want to be sure.