Windows system appears What can I do if I cannot activate this application when UAC is disabled?

UAC (User Account Control) This helps prevent malware and spyware from being installed on your computer or making changes to your computer without permission. I encountered this problem when opening a PDF file, so how to solve this problem, here are two ways to share with you.

Method 1

First step, Win+R key opens "Run" window; enter "Regedit"; Enter;

The second step, enter the running registry; HKEY_LOCAL_MACHINE--SOFTWARE--Microsoft--Windows--CurrentVersion--Policies--System--EnableLUA

The third step, double-click EnableLUA to change the numerical data 1; modify the computer to restart;

Method 2:

First step, Win+R key opens “Run” window; enter “msconfig” ) Enter;

Step 2, select "Tools"; Check "Change UAC Settings";

Step 3, click below to start; Then restart the computer to be effective;