This article was previously published under Q140359
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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 theregistry files (System.dat and User.dat). Both are hidden files in theWindows folder.
When you use DriveSpace to compress an existing drive, you are given theoption to back up files before you compress the drive. When you click BackUp Files, you may receive the following error message:
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.
The problem persists even if you click Install Now to install MicrosoftBackup.
This error can occur if there is an invalid Backuppath entry in theregistry. If the Backuppath entry is invalid, reinstalling Backup doesnot solve the problem.
NOTE: For information about how to edit the registry, view the ChangingKeys And Values online Help topic in Registry Editor (Regedit.exe). Notethat you should make a backup copy of the registry files (System.dat andUser.dat) before you edit the registry.
WARNING: Using Registry Editor incorrectly can cause serious problems thatmay require you to reinstall Windows 95. Microsoft cannot guarantee thatproblems 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: