I deleted it due to it being outdated, and now whenever I try to join a game to reinstall it just says "Updating ROBLOX..." but there is no ROBLOX player to update...
one simply does not delete roblox because it was outdated, they practically update every single frickin' night
try shutting down your PC/laptop and then install it
p.s. you're a pretty pickle
Clikc on your computer's control panel and go to 'Change or Remove software'. ROBLOX should be on the list, you you'll be able to uninstall it there.
-Glad I Could Help.