If you're trying to use the Nokia 3410 SDK and it's decided to stop rendering the screen:
Delete the registry key "HKEY_CURRENT_USER\SOFTWARE\Nokia\3410 SDK" and it'll fix.
that's this one:
https://archive.org/details/nokia-3410-sdk
fucking hell, nokia... you ship an 11-pixel tall font and a 9--pixel tall font?
were you just trying to annoy me?
@foone Probably.