SQL Server 2008 installation problem

when you install SQL server 2008 and if you get SQL Server Express problem then here is solution.

If you face this problem in installing SQL Server 2008 then here is solution:


Follow these steps for Solution:
1. Go to Windows > Run, enter “regedit” and click ok.
2. Browse to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsft SQL Server\90.
3. Rename “90? to something else, like “old”