Reinstalled my Arma3 clean etc. but nothing its a Server problem.
Tryed all this Steps on my Server and on my Arma3:
0xC0000005 - ACCESS_VIOLATION
This error is very generic. It may be caused by many issues, such as a hardware malfunction, a virus in the computer, but also an error in the game itself. Possible solutions:
Try joining another server, then rejoin the previous one.
Update the graphics card drivers to a newer version.
Rollback the graphics card drivers to an older version.
Check the temperature of your GPUs and CPUs.
Verify the integrity of the game cache using Steam.
Re-install DirectX.
Uninstall the Visual C++ 2013 Redistributable package (x86 version), restart your computer and install the package again (do not use the Repair function).
Run a Windows System File Check tool to repair corrupted system files.