windows 7 automatic updates wont run, error 8024800A

If you can no longer run automatic updates, and it comes up with an error message 8024800A Windows Update encountered an unknown error follow the steps below to correct -

start cmd (START > RUN > CMD, run as Administrator) and copy and paste the following lines:

REG DELETE "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate" /v SusClientId /f
REG DELETE "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate" /v SusClientIdValidation /f

net stop wuauserv

move %windir%\windowsupdate.log %windir%\windowsupdate.old.log
move %windir%\SoftwareDistribution %windir%\SoftwareDistribution.old

regsvr32 /s atl.dll
regsvr32 /s wucltui.dll
regsvr32 /s wups.dll
regsvr32 /s wuaueng.dll
regsvr32 /s wuapi.dll
regsvr32 /s msxml3.dll
regsvr32 /s mssip32.dll
regsvr32 /s initpki.dll
regsvr32 /s softpub.dll

net start wuauserv

wuauclt /resetauthorization /detectnow