restore backup

I’ve just changed computer and system, passing from a Windows7 to a Windows 10.
I descharged eMclient for the email
When I try to restore the backup from the old computer into the new one it goes on for about 90% of the task then it comes with the following error message:
ICSharpCode.SharpZipLib.Zip.ZipException: CRC mismatch
   in ICSharpCode.SharpZipLib.Zip.ZipInputStream.CompleteCloseEntry(Boolean testCrc)
   in ICSharpCode.SharpZipLib.Zip.ZipInputStream.BodyRead(Byte[] buffer, Int32 offset, Int32 count)
   in ICSharpCode.SharpZipLib.Zip.ZipInputStream.Read(Byte[] buffer, Int32 offset, Int32 count)
   in ICSharpCode.SharpZipLib.Core.StreamUtils.Copy(Stream source, Stream destination, Byte[] buffer, ProgressHandler progressHandler, TimeSpan updateInterval, Object sender, String name, Int64 fixedTarget)
   in DbBackup.FormBackup.Restore(String backupFile, CancellationToken cancellationToken)
   in DbBackup.FormBackup.Restore(CancellationToken cancellationToken)
   in DbBackup.FormBackup.<>c__DisplayClass28_0.<mainform_load>b__0(Object a, DoWorkEventArgs b)
in System.ComponentModel.BackgroundWorker.OnDoWork(DoWorkEventArgs e)
in System.ComponentModel.BackgroundWorker.WorkerThreadStart(Object argument)

What should I do?
Thank you for your help</mainform_load>