windows 7 automatic updates wont run, error 8024800A

I have a Sony Vaio laptop running Windows 7 Home Premium. I can no longer run automatic updates, it come up with an error message 8024800A Windows Update encountered an unknown error.

 

I have no been able to run updates for over a month

Answer
Answer

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

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Answer
Answer
Go to >All programs> Accessories> Command prompt (right click on command prompt) run as Administrator
The prompt screen will come up and copy/paste from the text above. 
Do not copy START > RUN > CMD 

I had the same problem. The fix worked for me today.

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Last updated May 30, 2020 Views 29,571 Applies to: