The program or feature
"\??\C:\Users\username\AppData\Local\Temp\Net41B3.tmp.exe" cannot start or run due to incompatibility with 64-bit versions of Windows. Please contact the software vendor to ask if a 64-bit Windows compatible version is available.
System Details:
Windows Server 2008 R2 SP1 64 bit.
SQL Server 2008 R2 (installed)
RAM: 6GB
Bipul Raman