How is it with msvcr71.dll error on MS Vista during installation?

To be able to install Gmail Backup properly, you have to run the installation program as administrator. Download the EXE file, right click on, run ti as administrator.

Thanks to http://www.gmail-backup.com/gmail-backup-0-101#comment-134 and http://www.gmail-backup.com/gmail-backup-0-101#comment-138.