Article ID: 303160 - View products that this article applies to.
This article was previously published under Q303160
When you upgrade your computer to Windows XP, you may receive the following error message:
Uninstall Option Not Available
There is not enough Space to save your current operation system.
Your computer has enough disk space for Windows XP, but it does not have enough to save your current version of Windows for backup.
The backup image size is number_of_megabytes
It is recommended that you cancel Setup now, free additional disk space, and then restart setup.
This behavior occurs because the amount of disk space for the partition on which you want to install Windows XP is insufficient to accommodate the uninstallation backup image.
To resolve this behavior, press the ESC key to cancel the Setup procedure. You can also resolve the behavior by using the following methods:
For additional information about how to uninstall Windows XP, click the article number below to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/303661/EN-US/ )How to Uninstall Windows XP and Revert to a Previous Operating System