Description of the Low Disk Space Notification in Windows XP
The information in this article applies to:
Microsoft Windows XP Professional
Microsoft Windows XP Home Edition

This article was previously published under Q285107
SUMMARY
When a Windows XP-based computer is running low on disk space, you receive a "Low Disk Space" message that, when clicked, starts the Disk Cleanup Wizard. This article describes the conditions in which you receive the "Low Disk Space" message.
MORE INFORMATION
When free disk space reaches 200 megabytes (MB), you receive the following message for 10 seconds, once per session:

You are running out of disk space on [drive]. To free space on this drive by deleting old or unnecessary files, click here.
When free disk space reaches 80 MB, you receive the following message for 30 seconds, every four hours, twice per session:

You are running very low on disk space on [drive]. To free space on this drive by deleting old or unnecessary files, click here.
When free disk reaches 50 MB, you receive the following message for 30 seconds, every five minutes, until free space is above 50 MB:

You are running very low on disk space on [drive]. To free space on this drive by deleting old or unnecessary files, click here.


NOTE: There is a registry value you can set to disable this feature:
HKCU\Software\Microsoft\Windows\CurrentVersion\Pol icies\Explorer NoLowDiskSpaceChecks REG_DWORD 1

Then logoff and logon again.