New hotfixes:
KB900462 - Error message when you try to calculate effective permissions for registry keys in Windows XP: "Windows cannot calculate the effective permissions for ObjectName"
Includes Regedit.exe version 5.1.2600.2703 and system.adm version N/A.
KB917140 - The Microsoft Application Compatibility Toolkit (ACT) detailed ACT log entries cannot be logged in the log file on a computer that is running Windows XP with Service Pack 2
Includes acadproc.dll, acgenral.dll, aclayers.dll, aclua.dll, acspecfc.dll, and acxtrnal.dll, all version 5.1.2600.2993.
the_guy