Application crashes when TrueTime 6.X runs under Windows 2000 or XP.



Version 6.X of True Time under Windows 2000 or XP, the application crashes when mach5.sys is loaded


To use TrueTime Quantum Technology under Windows 2000 or XP, you need to disable the enforcement of read-only memory protection on kernel mode drivers. You can do this by creating or modifying the following Windows 2000 registry value:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management


After making this change, you need to reboot the system.

If this registry entry was originally correct and you still encounter a crash (blue screen or hard reboot), then you'll probably need an updated Mach5 driver that is provided free from technical support

For W2K and XP systems

Old KB# 12098
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