Hey, I tried playing some mods today but unfortunatly whenever I try to launch a modpack the Mojang screen turns black. Then it crashes and shows the crashlogs. It also keeps saying that minecraft is already running even tho it isn't. I've used task manager to close it but doesn't help with anything. I've tried reinstalling forge, even updating minecraft with the update option in curseforge. Please help and thanks in advance.
Edit: It probably has nothing to do with it, but I recently changed my name. Not sure if that caused this to happen?
crashlog usually says: The game crashed whilst initializing game Error: java.lang.IllegalStateException: Splash thread Exit Code: -1073741819