DaMan Posted July 1, 2012 Share Posted July 1, 2012 <span>Windows Installer is missing from the list of services so I am unable to update and get error code 80070641. When I try to download Installer 4.5 I get 'update does not apply to your system' message, whichever version I try to download. </span> <span> </span> <span>Some evidence from trying to research this that Iolo System Mechanic is the problem and has deleted a registry key?? </span> <span>Thanks in advance for any words of wisdom that can help.</span> <span>GS2011B </span> View this thread Quote Link to comment Share on other sites More sharing options...
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