pcr wrote: > > Clicking as indicated leads to a popup "Error checking Serial Number." > which says: "Unable to verify your serial number " and the remark that "in most cases there is not an issue with the serial number at all and this message just indicates a problem with the .NET Framework." Then it suggests removing .NET and reinstalling the latest .NET from microsoft. > Try winetricks dotnet20. http://wiki.winehq.org/winetricks