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C51 under Vista

I'n trying to use PK51 under Vista ( professionnal edition).

After installing C51V8.12 under C: I notice that C51 always stops without any reason when compiling and return a code: 0xC0000005.

Any idea of the cause of this problem ?

Daniel Cauchard

  • I believe C0000005 is the "illegal memory access" error code. That is, the C51 process tried to touch memory not allocated to that process. Not that that helps you a whole lot, or explains why it doesn't happen in XP.

    I'd suggest reporting the problem to Keil support via email. (This forum is not an official support mechanism. It's mostly fellow users. There are some Keil employees that answer questions here, but email is the means to get their attention.) Send them all the rest of the magic numbers from the exception. The address offset should let them find the offending code and get a hint as to what's going on.