Hello LD,
This error is actually caused by an issue with .NET Framework 4. You can resolve the issue by doing a repair of .NET Framework 4. See this KB article on how that’s done.
Thanks
Bobby
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Hello,
I get Windows Update error “0x8007066A” or “66A” when installing updates using Windows Update or Microsoft Update, Is this a known issue? How do I fix this?
Thanks
Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.
Hello LD,
This error is actually caused by an issue with .NET Framework 4. You can resolve the issue by doing a repair of .NET Framework 4. See this KB article on how that’s done.
Thanks
Bobby
Hello,
I get Windows Update error “0x8007066A” or “66A” when installing updates using Windows Update or Microsoft Update, Is this a known issue? How do I fix this?
Thanks
help me
I have tried to do updates but it does not work. It will not let me. I can't down load any updates. Need help, Jan
If you receive Windows Update error 8007066A or 66A, it means that Windows has found corrupted files on your PC while trying to install updates to Microsoft .NET Framework 4 Client Profile. Follow these troubleshooting steps to address this problem. If one method doesn't work, try the next.