Avira Users : Avira is Bit Hard to use.
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AVG Users : AVG Usually Blocks access to lastchaos, which cause Disconnect
So Here is how to put Lastchaos Folder on Trusted List

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Tommorow i will add Kaspersky and Avast

Kaspersky Users:

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Have Fun!

Very well done mate, this is an excellent addition to the resources here in the technical forum.
This thread has been added to the Tech Center Hub

Thanks for posting how to stop this from closing game down guys saved me a headache or 2

Just an FYI on the Avira Instructions:

The SS shown shows the exceptions being placed in the "System Scanner" exceptions. These exceptions should also be set in the "Realtime Protection" Exceptions section as well, or it will still cause problems.

What about Microsoft essentials ? i can get my game to work it just pops up with the fatal error thing and i don't see any "manage expansion" thing any where there