QuickBooks Error 3140 is encountered by users when they try to install the application on the desktop. Therefore to fix the issue, follow the steps given below.
Click the Start button and type Command in the search box.
Press and hold CTRL + SHIFT and click Enter.
A permission box will appear, click on Yes button.
Now, a new black screen will appear.
Type cleanmgr
Press Enter to start the process.
Lastly, the files you want to remove, checkmark their boxes.