Free space has nothing to do with it. The Disk Cleanup Tool helps to create
free space.
The Disk Cleanup Tool Stops Responding
http://support.microsoft.com/default.aspx?scid=kb;en-us;823302
Disk Cleanup Tool Stops Responding While Compressing Old Files
http://support.microsoft.com/default.aspx?scid=kb;en-us;812248
For an automated fix, look here:
http://www.kellys-korner-xp.com/xp_tweaks.htm
Read instructions at the top
Scroll down to:
# 48 Right hand side
Disk Cleanup-Compress Old Files Freezes
Description of the Disk Cleanup Tool in Windows XP
http://support.microsoft.com/kb/310312
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Hope this helps. Let us know.
Wes
MS-MVP Windows Shell/User
In