Ive created a .bat file that i use to run RuneMate which allocates more memory and i get this warning, it doesn't stop me from playing i would just know how to make this warning go away this is the warning ~~> http://snag.gy/nFxZI.jpg
Not sure why it's asking if you want to terminate, but as for the prefs error just google the error and it will tell you how to fix it. Basically you need to go into the registry and create the file it's trying to make
