Windows 7 and DEP

If you have Windows 7 or another version of Windows with DEP

enabled, VFX Forth may not install.

 

To fix this problem you must turn off DEP (Data Execution

Prevention).

1) Goto Windows help, search for "Turn off DEP"

and follow the instructions.

2) Reboot - according to several users.

3) Install again.

 

Once VFX Forth is installed, you will need to leave DEP turned

off for VFX Forth and any applications built with it. You can

also just leave DEP completely turned off.

 

Because VFX Forth is an interactive incremental compiler, the

main memory section is marked as having read, write and execute

permissions. DEP causes execution from such a section to fault