You might want to run Malwarebytes to be sure you haven't picked up nasty malware or virus or trojan. Free is on the left if you need it.
Malwarebytes : Malwarebytes Anti-Malware is a free download that removes viruses and malware from your computer
Download, install, update then run a Full scan.
Save the log to desktop and upload it in a future post.
Sounds as if it may be Malware.
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If nothing is found in scan above then try this.
Run this and see if it will repair.
SFC /SCANNOW Command - System File Checker
Use option Two. If it reports it found errors and cannot fix them all. Leave the Cmd window open and type in the sfc/ scannow again and hit enter again.
It may take 3-4 passes to fix all files.
If that does not work the next step is a Repair install.
Repair Install
The reason I'm posting all this is that file is not listed on my system.
Mike