Win-98 seems to have a hard-coded threshold of 3% free disk space that I can't find any way to reduce or disable. This is not the same as changing the settings for the Disk Cleanup tool. Disabling the activation of that tool when free disk space reaches the 3% mark does not seem to prevent the OS from generating "disk full" messages when you want to copy files to the affected drive - or when applications are attempting to write to the affected drive. I came across some mention of this Explorer registry value: NoLowDiskSpaceChecks (set to value 1) But my win-98 system doesn't seem to pay any attention to it. I've got a 700 gb drive, and it's got about 22 gb free, but win-98 won't allow any more files to be written to it. Ordinarily, you would think that having 22 gb of free disk space wouldn't be a problem... Is this a known issue for win-98, and is there a solution? Or must I simply live with the fact that 22 gb of this drive is unusable?