Discord Bug

I reinstalled my Windows 7 and when i triyed to install Discord wheen it run is start "Discord Updater" with black screen (updater was black full black) i did every youtube tutorial and nothing. I had desablet Updater and discord was black fully black but working :D i tested with my friend and i can talk(i aswerd with Ctrl + Enter)  with him but i can see nothing, only a black screen. Sorry if i wrote bad, i don't speack englesh everyday. Thanks!