"The only way to be truly satisfied, is to do what you believe is great work. And the only way to do great work is to love what you do." Steve Jobs
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My Surface PRO 3 'Must Have' Accessories List

Wednesday, April 23, 2014

If Windows Defender Definition Update fails

"Windows failed to install the following update with error 0x80070643: Definition Update for Windows Defender"

In the last few days the automatic update of the definition file for Windows Defender has been failing in my Surface 2. Troubleshooting the issue I found that you can install the definition manually even in a Windows RT device by visiting this site and downloading the proper file, in this case of a Surface 2 you should download the one under Windows Defender for Windows 8.1 ARM.

Update: at the end the issue was resolved by deleting the c:\Windows\temp folder. The whole procedure is explained here.