Remove WSUS Settings Manually
Regedit:
HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\
Delete the registry key WindowsUpdate
Reboot
Regedit:
HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\
Delete the registry key WindowsUpdate
Reboot
Manually install KB2734608.
Download from: http://support.microsoft.com/kb/2734608
CMD Prompt:
WSUS-KB2734608-x64.exe /q C:\MySetup.log
Link: Technet
Run the WSUS Cleanup Wizard.
Start > Administrative Tools > Microsoft Windows Server Update Services 3.0.
In the list on the left, select Options. Then select Server Cleanup Wizard.
Remove expired updates and unused update and update revisions.
Source: Technet
Administrative command prompt:
net stop “update services”
net stop w3svc
Run as admin:
Start > All Programs > Microsoft SQL Server 2005 > SQL server Management Studio Express
Connect to server name: \\.\pipe\MSSQL$MICROSOFT##SSEE\sql\query
Databases > SUSDB > Right Click > Detach
Tick the “Drop Connections” and click OK.
Navigate to the SUS database folder on C:\ copy/paste it to the desired location using windows explorer.
Back in SQL server Management Studio Express choose “Add”
Add the database in the new location and click OK, OK.
Delete the old database files from C:\
Source: itblog
Source: petenetlive