Win10 system manually open UAC three tutorials

Win10 prompts “This app cannot be activated when UAC is disabled> What should I do? How does Win10 open UAC? In the Win10 system, open the "picture" " or "; PDF” document prompts “ can not activate this application when UAC is disabled, resulting in the failure to view pictures or PDF documents. For such problems, we can restore the viewing function of images and PDF documents by turning on the UAC function.

Software Name:

Affordable to disable USB interface software network version v8.0 Chinese installation version

Software size:

19.1MB

updated:

2016-06-30

method a:

1, turn UAC The method of user account control function is realized by <;the trend to the USB control system”. Search and download this tool directly in Baidu.

2, after installing and running this tool, it will automatically run in the background. You can find it by clicking “<quo;Alt+F2” wakeup program in its main interface” to close UAC account” Click the button to open it.

3. At this time, the “TweakUAC" setting interface will pop up as shown in the figure. Check the “Open UAC” item and click the “OK” button.

4. Finally, follow the prompts of the program and restart the computer to make the opening operation of UAC take effect. Finally, you can open the picture or PDF file normally.

Method 2: Open the UAC function via “Control Panel”.

1. Right-click the "Start" button and select the "Control Panel" item from its right-click menu to open it.

2. From the "Control Panel" menu that opens, go to "User Accounts" and then click "Change User Account Control Settings" to enter.

3. Finally, you can set the “User Account Security Level” in the “User Account Control” setting window to “Always notify” and click ““ Confirm the & rdquo; button.

Method 3:

1. Right-click the “Windows Start” button in the lower left corner of the desktop and click “Run & rdquo; from the right-click menu to open”. Run & rdquo; window.

2, from the "Run" dialog box, enter "lds; msconfig" and press the "OK" button to open the "System Configuration Utility" interface.

3, to open the "System Configuration" window, switch to the "Tools" tab, select the "Change UAC Settings" item, click the "Start" button Open the UAC settings interface.

4. From the opened “User Account Control Settings” interface, move the slider to the top (always notify) and click the “OK” button.

5, Finally, you can try to open the picture or PDF document for viewing. As shown in the figure, after UAC is turned on, you can view the preview image normally.

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Win10 UAC dialog box unavailable button is grayed out?