jetcomp.exe -src:"Source_Path" -dst:"Destination_Path"
If it’s running from C:\Users\YourName\AppData\ or a temp folder – be suspicious.
You may notice jetcomp.exe running in the background, consuming system resources. This is usually due to one of the following reasons:
| Scenario | Verdict | |----------|---------| | Located in Microsoft Shared\Jet\ and signed by Microsoft | | | Located elsewhere or unsigned | Likely malware – scan & remove | | High CPU but runs temporarily | Normal behavior | | Runs constantly | Check scheduled tasks / background app |
: Specify a new file name for the repaired version. Never attempt to overwrite the original file directly; always create a copy to prevent further data loss.