What should I do if the font prompt when installing Win10 is invalid? What to do if Win10 is not a valid font?

How to solve the problem of font installation failure in Windows 10? Installing new fonts can add personality to the look of your system, but sometimes you may encounter installation failures. Recently, some users reported to PHP editor Youzi that when installing fonts in Windows 10 systems, a prompt of "not a valid font" appeared. This article will walk you through fixing this issue step by step.

The solution is as follows

Method 1:

1. "win+R" shortcut key to start running, enter "service.msc", click "OK" to open.

2. After entering the new window interface, find the "Windows Defender Firewall" service, right-click and select "Properties" in the option list.

3. Then in the window that opens, set the "Startup Type" to "Automatic", and finally click the "Start" button in "Service Status".

Method 2:

1. "win+R" to open the run window, enter "regedit" in it, and click "OK" to open it.

2. After entering the new window interface, click "Computer HKEY_LOCAL_MACHINE SOFTWARE Policies Microsoft Windows Defender" in the left column.

3. Then right-click the blank space on the right, select "New" a "DWORD Value", and name it "DisableAntiSpyware".

4. Double-click to open "DisableAntiSpyware", change the "Value Data" to "1", and click "OK" to save.

5. Then press "win+i" to open the "Settings" interface and enter "Windows defender firewall" in the search box.

6. In the window that opens, click "Turn Windows Defender Firewall on or off" in the upper left corner.

7. Finally, check both "Turn off the firewall" in the picture below to solve the problem.

The above is the detailed content of What should I do if the font prompt when installing Win10 is invalid? What to do if Win10 is not a valid font?. For more information, please follow other related articles on the PHP Chinese website!