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14 Posts

13127

March 13th, 2013 15:00

windows upgrades

An update for microsoft silverlight (KB2814124) keep coming up in update but it will not update. IT says windows update encountered an unknown error code 641. I tried to uninstall silverlight but a window comes up with , THE WINDOWS INSTALLER SERVICE COULD NOT BE ACCESSED. tHIS CAN OCCUR IF THE WINDOWS INSTALLER IS NOT CORRECTLY INSTALLED. CONTACT YOUR SUPPORT PERSONNEL FOR ASSISTANCE. I can not remember if this program came with the computer or if it is something I installed. I have a 2007 DIMENSION E521 desktop.My security icon keep on flashing that security need attention and I suppose it's because of that silverlight.If Silverlight is something I don't need than how do I uninstall it or how do I get the update to install.

6 Operator

 • 

1.8K Posts

March 13th, 2013 19:00

Hi tinkerman66, 

Please share the operating system installed. 

You may run a Microsoft Fix it for Windows update issues from link: http://bit.ly/kmAk02 and may also check the link: http://bit.ly/rQKxw 

Sometimes, if the Installer service is disabled, you will get the same error. You may manually check the status of that and may turn it on by going to 'Start' -- > 'Run' -- > type 'Services.msc' and hit Enter.

services msc

Then scroll down to 'Windows Installer' and double-click on it. Set the 'Startup Type' to 'Manual' and click 'Start' to start the service.

windows installer

You can also start the service by going to Start, Run and type in 'net start MSIServer' into the Run box. 

Please share the findings. 

14 Posts

March 14th, 2013 12:00

I tried all the suggestions to no preval. The fix it ran and said it fixed the problem, but didn't.The Services.msc did not have a Windows Installer and the net start MSIServer took me to a Microsoft forum and I did not know what to do then.Is there anything else I can try or did I do something wrong?

14 Posts

March 15th, 2013 14:00

I tried your suggestions again, the fix it did the job. I do not know what I did before, but it worked this time. Thank you.

6 Operator

 • 

1.8K Posts

March 17th, 2013 00:00

Hi tinkerman66, 

I am glad that the issue is resolved.

Please feel free to get in touch in case you have any further questions. 

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