WARNING, Adguard, 6, 16.04.2019 15:42:09.805, Error deleting C:\ProgramData\Adguard\Backups\fail.dat: System.UnauthorizedAccessException: Access to the path 'C:\ProgramData\Adguard\Backups\fail.dat' is denied.
Source: mscorlib
Stack trace: at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.File.InternalDelete(String path, Boolean checkHost)
at System.IO.File.Delete(String path)
at Adguard.Commons.Files.FileUtils.DeleteQuietly(String path)