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windows update error code 800703e6

Windows Vista Home Premium.  When looking for new OS updates, the Windows Update control panel reports, "Windows could not search for new updates...code 800703e6  windows update encountered an unknown error"

Any ideas?
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DrEnnui
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DrEnnui
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3 Solutions
 
HubasanCommented:
This error seems to be connected to the Memory. "Invalid Memory Location" according to error codes from Automatic Update client that retrieves the updates.

This is most likely caused by one of the drivers installed or about to be installed from Automatic Updates.
Go to device manager and check for any badly installed drivers( Look for a Yellow exclamation point)

Never update your drivers from Automatic Updates, always go to manufacturers website for updated drivers.
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DrEnnuiAuthor Commented:
None of my devices appear to be having issues (no warning triangles).  Other than Windows\WindowsUpdate.log, are there any other log files  or traces that I can enable to track Automatic Update activity?
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HubasanCommented:
As far as I know, there is no other Automatic Updates client monitoring that can be set up.
I know you probably checked this already, but if not, go through the History of all the updates you have installed and check if any1 of them failed. If yes, you can uninstall it.

Also when did this start happening? And do you remember when it last worked? If you do, maybe the best thing to do is to do System Restore to previous working config. But only in case you haven't made any extensive changes to your system that you would hate to lose.
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DrEnnuiAuthor Commented:
Already tried that.  None of my restore points provided a successful restore, and I was told that nothing had been changed.  While I might like to blame some things on a wierd restart following an install of Visual Studio Express, I did notice that my last successful update check was almost 2 weeks ago, so this problem may have been here for a while.  I'm feeling like it is time to re-install.
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HubasanCommented:
I would check a few more things before opting for re-install.
One thing you might consider is scan for malware. I have seen malware disabling Auto Update service on Windows XP but not on vista, and still that might be something to look at.
Also, can you post your WindowsUpdate.log file. Maybe we can figure something out from there!
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