Therefore it is wise to back your data as soon as possible when you encountered the CMD error on your computer. So what should I do to fix this Command Prompt issue and what is the way to back up my data to prevent any data loss?”įrom the sharing above, most Windows users will only care about fixing the CMD keeps popping up error but they do not know that this issue can cause them to lose their data if it is out of control because they cannot access any of the folders or files on their PC. This problem happens every single time after I closed the window. After I close the window, the CMD will pop up again right away. “Since last week, the Command Prompt on my Window PC keeps popping up with a window showing c:\windows\system32\cmd.exe. Therefore, we will show a similar case below that one of our Window users shared: Many Windows users had reported that their Command Prompt CMD keeps popping up on either Windows 7, 8, or 10 when they are accessing the computer and they are not familiar with the issue. Understanding Command Prompt Keeps Popping Up Solution 1: Install the Latest Windows Update.