There is probably a better solution, but until you find it you could script turning Num Lock back on after Notepad++ starts up with the Pythonscript plugin.
Put the following code in startup.py and make sure Pythonscript’s “Initialisation” option is set to ATSTARTUP (under the Configuration menu option for the Pythonscript plugin). Note that Pythonscript is only 32-bit right now, so it will only work with 32-bit Notepad++.
I really hope you find a better solution and don’t have to resort to this !! :-D
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import ctypes def turn_on_numlock(): VK_NUMLOCK = 0x90 KEYEVENTF_EXTENDEDKEY = 0x01 KEYEVENTF_KEYUP = 0x02 GetKeyState = ctypes.windll.user32.GetKeyState keybd_event = ctypes.windll.user32.keybd_event if not GetKeyState(VK_NUMLOCK): keybd_event(VK_NUMLOCK, 0x45, KEYEVENTF_EXTENDEDKEY | 0, 0) keybd_event(VK_NUMLOCK, 0x45, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0) turn_on_numlock()