Hey .. thanks for CCLeaner so far ...
I installed a fresh XP incl. SP3.
What I realized is that CCLeaner does not seem to clean all "Hoffixes" if the key is enabled
c:\WINDOWS\$NtUninstallXPSEPSCLP$\
c:\WINDOWS\$NtUninstallWdf01007$\
c:\WINDOWS\$NtUninstallbasecsp$\
c:\WINDOWS\$hf_mig$\
Also I think a option to clean service Packs was great.
c:\WINDOWS\$NtServicePackUninstallNLSDownlevelMapping$\
c:\WINDOWS\$NtServicePackUninstallIDNMitigationAPIs$\
c:\WINDOWS\$NtServicePackUninstall$\
Thanks Sascha