Why can't Win8 install anti-virus software?

Win8 can install third-party anti-virus software. For some famous anti-virus software that can't be installed abroad, the reason should be compatibility. Domestic anti-virus software compatibility is very good, can accommodate multiple software without conflict, and foreign Some cockroaches can only tolerate one computer with one anti-virus software.

There are two reasons for the possibility. First, the domestic anti-virus software is not cleaned. It is recommended that you check whether there are any residual files of the software. It is best to restore the system and restore it to the software. There will be no anti-virus software residual files.

If the problem after the restore is still the problem of Win8's own anti-virus software Windows defender, Windows defender is Microsoft's own anti-virus software, want to install other software compulsory uninstall is said to be closed. The method of closing is also very simple. Click the Start button, open the Control Panel, click on the view mode on the upper right side to select the big icon, select Windows Defender, click the option of the tool, and in the administrator, cancel the use of this program.