arduino-0011 memory leak with windows xp

Hello, I've been using the arduino-0011 software since May and haven't had any problems. Last night I tried to load up the compiler in a usual fashion and now i'm getting this:

The instruction at "0x7c9369aa" referenced memory at "0xffffff...". The memory could not be "read". Click on OK to terminate program Click on CANCEL to debug the program

I used the technique of running "run.bat" and everything works fine.