XP warns you on three different occassions with messages related to low disk space.
when this is true : 80 MB <>
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 this is true : 50 MB <>
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 this is true : 0 MB <>
Navigate to [HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\ CurrentVersion\\Policies\\Explorer]
and look for the data key "NoLowDiskSpaceChecks" and set its value to 1 to disable low disk space check
