Win8.1 system installation patch encountered error indication error code 0x80070020 failure analysis and solution

When downloading the Windows 8.1 patch, you may get an error: 0x80070020, as shown below:

0x80070020 The error code means that the process cannot access the file because the file is used by another process.
Fault Analysis:
The possible cause of the error is that some system files are locked by third-party anti-virus software.
Workaround:
1, enter the control panel, select windows update for system update;

2, the desktop press ctrl+alt+del to call up the task manager, select the startup item, disable the non- After the startup process of the system process, restart the computer to install the test again;

3, temporarily turn off the anti-virus software, and then install the anti-virus software after installing the patch.
The above is the failure analysis and solution for the error message 0x80070020 of the Win8.1 system installation patch. The method is very simple. Friends who have the same problem can solve the problem according to the above method!