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So JJ2 is unplayable, it won't run even with JJ2+(some acces violation error, DEP does nothing), the only way I can run it is with Windows XP Mode and then it has no sound and runs laggy, the people at GOG should revisit the game and fix it or does anyone have any ideas?
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I'm on Windows 7 Ultimate, Lenovo 15-100IBD, but I've tried it on my brothers computer with Windows 10 and it works.
Seems DEP is in the way. Windows 10 doesn't have that issue for some reason but I remember having trouble with it on Windows 7 from time to time. Could still be something else though.

Just look up a tutorial on how to configure/disable DEP (Data Execution Prevention). I remember I used to run Command Prompt as Administrator and run the command "bcdedit.exe /set {current} nx AlwaysOff". But you would actually turn it off completely. Not sure if you want to do that. But there are lots of articles on the interwebz that explain other options. Good luck!

EDIT: Nevermind, I'm not sure if this will work. You can still try though.
Post edited April 01, 2021 by Lifell00
Have you tried a source port?
I don't recommend that source port for now. Movement is far from the same and it's very much a work in progress. Could be fun to try it for curiosity purposes or simply if you want something different but not if you want to play the original or close to the original.