font box keeps poping up

[Waltz213]

hi guys have trouble with Font box and a second box appearing every time i touch my mouse or the key board  how can i stop this from happening 

[praveen196]

@Waltz213 Welcome to HP Community!

As I understand you want to get rid of the black box popping up on the screen at times,

Don't worry as I'll be glad to help, however, to provide an accurate resolution, I need a few more details: 

Did you check if there's a recently installed program that could be causing the issue?

Have you attempted to perform a system restore?

While you respond to that, here's what you need to do:

1. Click Start and search: msconfig > Select System Configuration;
2. Click Services on System Configuration > Click and select Hide all Microsoft services > Click Disable all;
3. Click Startup on System Configuration > Click Open Task Manager;
4. Select each startup item on Startup and click Disable > Close Task Manager;
5. Click OK on Startup tab of System Configuration > Restart PC.
By doing so, your computer will be able to work normally again and you’ll see that no CMD window pops up anymore.

If the issue persists, try the below steps:

SFC, known as System File Checker, can be used as a tool to scan all of important Windows files on your computer and repair them if necessary. Missing or corrupted system files such as DLL files may cause CMD continuously popping up etc errors in Windows. Let’s see how to run SFC to solve CMD.exe unusually show up error in your PC now:

1. Press Win + R > Type: cmd and click OK to bring up Command Prompt;
2. Type:sfc /scannow and hit Enter;
3. Then restart PC after the scan and check out whether the CMD.exe issue fixed or not.

Keep us posted,

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Give us a virtual high-five by clicking the 'Thumbs Up' icon below, followed by clicking on the "Accept as solution" on this post, 

Have a great day!