If you are seeing some unexpected shifts in the borders or the background color of your converted web application, please make sure to set the “Change the size of text, apps and other items:” setting to 100%. Other display settings are known to cause issues with the conversion process.
In Windows 10:
Right click on your desktop and go to Display Settings.
Then, move the slider for “Change the size of text, apps and other items:” to 100%.
After you change the display settings, please sign out or restart your PC for the changes to take effect.