There was an error opening this document. This file is already open or in use by another application

This error happens when the system recognized that the PDF file has been opened and still running in the background.

Below are the steps you can do to fix the error. 

After each step, try to generate the file again and see if it's working.

Solution 1

Make sure PDF is closed - Check all browsers, and PDF Reader tabs and close them.

 Try to generate the file again from Gumtrue. Did it work? If yes, disregard the next solutions.

Solution 2 

Close Gumtrue and Open again. 

 Try to generate the file again from Gumtrue. Did it work? If yes, disregard the next solutions.

Solution 3

End Background process for Gumtrue using Windows Task Manager

- Before opening Task Manager make sure Gumtrue application is already closed.

- You can press Ctrl + Shift + Esc to open Task Manager. 

- Look for Gumtrue under the Process tab. If Gumtrue is not it in the said tab, disregard this step and move on to solution 4. 

- Right-click on it and click End task. 

Check if it's running in task manager.If Gumtrue is not located in the Task manager, you may dismiss this solution and move on to the next. 

Try to generate the file again from Gumtrue. Did it work? If yes, disregard the next solutions.

Solution 4

Restart computer

After doing all solutions above, and it has not been solved, please contact us.