Why won't the Options window open when selected from the Tools menu?

Method 1: Move Window With Keyboard Shortcuts

Sometimes when using two monitors and going from 2 to 1 the Options window might be rendered on the nonexistent screen. If this happens, you can try the following:

Select Tools > Options from the main menu, wait 3 seconds to ensure the display will be rendered.

Press Alt + Space, then press M to move. Now, you can use the arrow keys to move the virtualized window onto your main screen. If your secondary screen is normally to the right, use the left arrow. if your secondary screen is to the left, use the right arrow.

Method 2: Delete the api.properties File

If you weren't using multiple monitors or Method 1 didn't work for you, try deleting the api.properties file.

Windows C:\Users\username\AppData\Roaming\.mplab_ide\dev\version\config\Preferences\org\netbeans\modules\options\api.properties
Linux ~/.mplab_ide/dev/version/config/Preferences/org/netbeans/modules/options/api.properties
Mac OSX ~/Library/ApplicationSupport/mplab_ide/dev/version/config/Preferences/org/netbeans/modules/options/api.properties

In Windows, the AppData folder is usually hidden by default.

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