Posted September 3, 200816 yr I'm trying to clean up my hard drive and notice a lot of subfolders under c:\winnt\installer, they have names that are long series of numbers, and in these subfolders are files, some of which have names of programs I've installed. I'd like to know if it's essential to keep these files/subfolders, or if I can just delete them to save space. Does anyone know? John
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