problem in installing Em Client

System.IO.IOException: The process cannot access the file because it is being used by another process.
   at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
   at System.IO.__Error.WinIOError()
   at System.IO.File.InternalMove(String sourceFileName, String destFileName, Boolean checkHost)
   at DbRepair.CorruptionChecker.CheckCorruption(RepairOptions repairOptions, CancellationToken token)
   at DbRepair.CheckingProcess.Check(CancellationToken token)
Data:
databaseFile: accounts.dat

Mustafa, did you manage to solve this?

One thing you could try is to check in Windows Task Manager and make sure there are no other instances of eM Client running. Also, temporarily disable your antivirus.

Then open eM Client and try again.