Re instaling sw 2004

I am trying to reinstall sw2004. I am getting...

The Error message is:

msiexec.exe has encountered a problem and needs to close. We aresorry for the inconvenience.

The error signature is:

szAppName : msiexec.exe szAppVer : 3.1.4001.5512
szModName : oleaut32.dll szModVer : 5.1.2600.5512 offset : 00006fbe

The error report is:
C:\\DOCUME~1\\ERICWA~1\\LOCALS~1\\Temp\\WER1f99.dir00\\msiexec.exe.mdmp
C:\\DOCUME~1\\ERICWA~1\\LOCALS~1\\Temp\\WER1f99.dir00\\appcompat.txt

I bought and RegCure, but no luck.

I am not an IT geek, so where do i start?SolidworksAdministration