In error I gave you instructions earlier which were appropriate to Windows 8 rather than Windows 7. Please try what follows.
Select Start, right click Command Prompt and select Run as Administrator. Type cd\ and press ENTER. Type ensuring spaces are inserted as indicated and press the ENTER key after each line:
REGSVR32 WUPS2.DLL /S
REGSVR32 WUPS.DLL /S
REGSVR32 WUAUENG.DLL /S
REGSVR32 WUAPI.DLL /S
REGSVR32 WUCLTUX.DLL /S
REGSVR32 WUWEBV.DLL /S
REGSVR32 JSCRIPT.DLL /S
REGSVR32 MSXML3.DLL /S
Exit
Please run the Windows Update Troubleshooter again:
http://go.microsoft.com/fwlink/?LinkId=231149
Please provide the exact details of any problem it reports as not fixed.