for 4.4.7 or higher, 4.2.5,4.2.6,4.3.7,4.4.7, it's works, this is the way which makes Always in evaluation mode.

run the following script on `PowerShell`
```powershell
#Remove-Item "$env:appdata\Scooter Software\Beyond Compare 4\*.*" -Force -Confirm:$false
Remove-Item "$env:appdata\Scooter Software\Beyond Compare 4\BCState.xml" -Force -Confirm:$false
Remove-Item "$env:appdata\Scooter Software\Beyond Compare 4\BCState.xml.bak" -Force -Confirm:$false
#Remove-Item "$env:appdata\Scooter Software\Beyond Compare 4\BCSessions.xml" -Force -Confirm:$false
#Remove-Item "$env:appdata\Scooter Software\Beyond Compare 4\BCSessions.xml.bak" -Force -Confirm:$false
reg delete "HKCU\Software\Scooter Software\Beyond Compare 4" /v "CacheID" /f
```