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IMPORTANT: This article contains information about editing the registry. Before you edit the registry, you should first make a backup copy of the registry files (System.dat and User.dat). Both are hidden files in the Windows folder.
When you use DriveSpace to compress an existing drive, you are given the option to back up files before you compress the drive. When you click Back Up Files, you may receive the following error message:
The problem persists even if you click Install Now to install Microsoft Backup.
Windows could not find a backup program on your system. To install Microsoft Backup now, click Install Now, double-click the Disk Tools component and then follow the instructions on your screen. To continue without installing or running Backup, choose Continue.
This error can occur if there is an invalid Backuppath entry in the registry. If the Backuppath entry is invalid, reinstalling Backup does not solve the problem.
NOTE: For information about how to edit the registry, view the Changing Keys And Values online Help topic in Registry Editor (Regedit.exe). Note that you should make a backup copy of the registry files (System.dat and User.dat) before you edit the registry.
WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows 95. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.
To correct this problem, locate the following key in the registry:
Change the value for the (Default) value to a valid path for Backup.exe.
Article ID: 140359 - Last Review: September 27, 2013 - Revision: 1.1