Pokud máte v PC verzi 3.0 (součást SP2), zkuste verzi 3.1:
http://www.microsoft.com/downloads/details.aspx?dis playlang=cs&FamilyID=889482fc-5f56-4a38-b838-de776 f d4138c
http://www.softpedia.com/get/Security/Secure-cleani ng/Windows-Installer-CleanUp-Utility.shtml
http://xphelpandsupport.mvps.org/how_do_i_reinstall _the_windows_i.htm