Error
When PaperOffice starts it only shows a white screen and freezes.

Problem
This is a known error from Windows 11 when using more than one monitor due to the new window display settings.

Solution
To solve this issue you have to change the main display from the settings.

1) Open Settings (Win+I).
2) Click on System on the left side, and click on Display on the right side.
3) Select the display at the top you want to make the main display.
4) Click on Multiple displays to expand it open.
5) Check "Make this my main display".

You can now close the settings