re: Exception number: c0000005 (access violation)
Thursday, January 24, 2008 at 10:15 am
Windows 2000 Annoyances Discussion Forum
Posted by Jacob6601
(1671 messages posted)
I could only find one Mastercam forum.
http://www.emastercam.com/
Go ahead and register there and post your problem. As for the memory:
If a memory stick (or a bank on one of the sticks) fails, it might still pass initial
tests. XP might subsequently shut that area of memory off. This would shift all higher
memory addresses (numbers) down so they remain sequential. And Mastercam, still believing
it has 1.5gig, might be trying to use memory allocated by the system (or other apps).
Begin by making sure your BIOS does a full POST test, not "quick". You can re-set
this to "quick" after one try. Also, try memtest86. If you can boot from CD, I would
download the bootable *.iso so you can run it without windows loaded.
http://www.memtest86.com/
If the memory looks good, look at disabling Data execution prevention (DEP). See
"Number Two - D.E.P" on the following page:
http://www.updatexp.com/0xC0000005.html
If nothing above works, I would start pulling memory sticks (in addition to looking
through the Windows Updates).
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