Need help mhfu crashes without error message

[Spiral]

I was playing mhfu unite for a few days now and it worked just perfectly but now it started to randomly crash without an error message and i dont understand why. I also tried messing with the settings but it doesnt solve the problem. I currently use the latest version of ppsspp and the ISO file should also work just fine. Also when crashing my pc gets huge lag and then the ppsspp just closes. I only have this issue when playing Monster hunter freedom unite. My hardware should also be more than sufficient.