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I can confirm the HIDE87.com trick solves the problem because it stops using the MPU so effectively it avoids the problem. It also really slows down everything (unbearably for what I work on - Engineering app with lots of calculations). A proper fix is always better, but agreed that this solution wi...

Thanks Ramshanker. I looked at the Changeset for the fix and it looks like you put in a lot of hard work - much appreciated (not saying I understood it all but I got the general idea). I recently got a chance to get back to looking at this with WinDbg. I'm not an expert at using it but I did see the...

I'll see if I can find a safe old large 16 bit app that's easy to download and triggers the GPF. The problem is with 16 bit apps (using NTVDM\WOW). It is random, but I'm sure there must be some pattern. I have one app that triggers it about every 3 or 4 times I run it. In another it just appears ran...

Ticket #12646 "XP Guest GPF in WIN87EM.DLL at 0001:02C9 or 0001:02C6" created.

Same Problem but my GPF is at address 0001:02C9 (maybe a different version of WIN87EM.DLL?). I never had this issue through Release 4.2.18. It started when I upgraded to 4.3.4 and still have it in 4.3.6. The only reference I ever found to this was the VMWare explanation in the original post. I've be...