At least Rosetta, Ralph, and LHC are not giving up CPU % to the Drive Cleanup wizard inside Windows XP Home AND PRO.

The cleanmgr.exe uses 97%+ CPU percentage when BOINC activities are suspended (I.E. when Rosetta/ralph/LHC is removed from memory, and suspended) and when it is resumed, the cleanmgr.exe process appears to "hang", and cleanmgr.exe's CPU % drops to <3%.
This MAY be a problem with MS, as it appears to have this problem with every BOINC application I have tested.

This appears to be a problem on at least three of my connected PC's, as I have only tested on the following three so far:

1x Pentium 3.06ghz/533mhz HT Northwood 1024MB ECC 1200Mhz RDRAM Running XP Pro
1x Pentium 3.06ghz/533mhz HT Northwood 512MB ECC 1200Mhz RDRAM Running XP Pro
1x Pentium III 800Mhz w/384MB DDR PC100 RAM Running XP Home

(This message was originally posted inside the Ralph@Home Alpha Test project for Rosetta. It was copied here after it was discovered that it propogates across projects.)

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Aaron,

From the %s you gave, that seems about right. Disk Cleanup is not a CPU-intensive operation, and should only show high % when the system is idle and nothing else asks for cycles. That said, Disk Cleanup wastes most of it's time in checking what is, for 99+% of users, a useless endeavor - how much space can be gained by archiving files. Most users want to use their files frequently or not, but they don't want them zipped up where they can't be easily accessed. There is a registry tweak and a few utilities that will disable the archive-checking function in Cleanup, reducing Disk Cleanup to a less-than-one-minute operation, though I can't name any off the top of my head. Try a Google search, and possibly a utility called Tweak XP.

Michael

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"The arc of history is long, but it bends toward Justice"