how to fix System.IO.FileNotFoundException

how to fix System.IO.FileNotFoundException: Could not find file ‘D:\em client\backup_201711161551.zip’. File name: ‘D:\em client\backup_201711161551.zip’ at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) at System.IO.FileInfo.get_Length() at DbBackup.FormBackup.Restore(String backupFile, CancellationToken cancellationToken) at DbBackup.FormBackup.Restore(CancellationToken cancellationToken) at DbBackup.FormBackup.b__27_0(Object a, DoWorkEventArgs b) at System.ComponentModel.BackgroundWorker.OnDoWork(DoWorkEventArgs e) at System.ComponentModel.BackgroundWorker.WorkerThreadStart(Object argument)

Jun, was this error during a restore?

If you moved the backup file to another location, like on your C: drive, do you still get the same error?