To troubleshoot WU_E_INVALID_UPDATE An update contains invalid metadata. Issues, You should follow the instructions given in following topic first:.
1.Click Startup and type cmd in the searchbox, then double click on cmd.exe.
2.Type gpupdate and press enter, then you can destroy virus on your computer.
1.Click Start, and enter into Control Panel.
2.Then choose Programs and Features.
3.After you enter in, you can see all your programs listed, right click the software you don't want.For example.I don't like 7-Zip 16.02(x64).I right click it and click Uninstall and a small window open, choose Uninstall again.