Silverlight Update Error Code 64c

OP: error 64C Microsoft Silverlight won’t install through Windows Update….

I have tried several times to install the update in the title, but get the above error message each time. I have tried from user and admin accounts with the same outcome….

Jan 19, 2010 · Update for Microsoft Silverlight (KB979202) fails with error code 643; multiple update tries….

Apr 25, 2011 · this error comes up when trying to install windows updates….

Oct 21, 2011 · Hi, You may try the following methods and check the status of the issue. Method 1: Run the windows update troubleshooter. ……

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