Copy the files to your system directory (windows/system on 95/98/ME, or WINNT/system32 on NT,2k or XP)

run from command line:

regsvr32 tabctl32.ocx
regsvr32 comdlg32.ocx
regsvr32 mscomct2.ocx
regsvr32 mscomctl.ocx
regsvr32 msflxgrd.ocx
regsvr32 fm20.dll
regsvr32 shell32.dll

Then try starting HWSS again.