fix computer errors

I get an avp.exe application error that says this:
The instruction at “0×0351dcf9″ referenced memory at “0×00000001″. the memory culd not be “written”
click ok to terminate
click cancel to debug
how do I fix this?
I can’t get get my computer to connect to the internet.
Don’t ask how are you typing this question if your computer doesn’t work because i’m on another computer.