Hello,
Thank you for reporting the issue.
We need crash dump files from this folder to analyze your problem.
C:\Users\<Name>\AppData\Local\Arma 3\
Can you upload somewhere in winrar package, please?
Archive smaller than 5000 KB can be attached directly to the ticket. For bigger archives, please use some free sharing service and post link here.

How to find correct crashdump file:
Try to make the crash happen
Look into crashdump folder
Upload crashdump with latest date in name (crashdump is rpt + bidmp + mdmp file with same name). Please try to provide as many crashdumps as possible, it helps us investigating the problem in a big way.

Thank you.

http://feedback.arma3.com/how-to-user.html

Propably some mod conflict, but please, as Adam writed, BEFORE CREATING TICKET READ "HOW TO"! This option is on this site for some reason! How anybody can help you with totally no information?

Hey,

I do not have those bidmp + mdmp files in that order.

Also I'm not using any mods/addons.

so it seems you are using some commands, - try to launch game without them, then look for this files - without them we cannot do anything

I am only using -noLauncher and -useBE

by using the launcher I'm not getting those files + having WAY more crashes (sometimes even several before even able to click "play" on the launcher itself)

Sorry for so long delay - ive got renovation. did you tried to disable acceleration in launcher (tribe icon on the right upper corner, then mark or unmark the field "disable hardware acceleration")? You must have those files in this folder, research again, if you are no using command to disable logs ( -nologs) you must have those files. Also, one small question - are you playing on administrator account?

Yes I'm playing on admin account.

Also I'm not using the launcher anymore.
Here you got a screen of the folder/startparameters (I added -high and -skipintro since my last post)

So you have RPT, files, can you upload most fresh one?

Attached two files.

ouch..... Lot of errors..... Game files verification needed. Try to do it. Steam library > right click on game ArmA 3 > Properties > Local Files > Files verification. And try diferent servers and disable from commandline this : -maxMem=12800 -maxVRA=2047

Game File Verification did not fix any files. I already reinstalled arma before i made this feedback post.

Something I found out meanwhile: If i start the game and it crashes I use -noLauncher and then It's (most of the times) running smooth.
Next day it crashes and I remove -noLauncher and it runs fine via launcher...

Fine does not mean 100% crash free, just "playable".

Going to add some more informations about my System:

HDD: Western Digital WD Desktop Everyday 2TB, SATA 6Gb/s, retail (WDBH2D0020HNC)
SSD (with Arma/Steam!): Crucial M550 512GB, SATA (CT512M550SSD1)
CPU: Intel Core i7-5820K, 6x 3.30GHz, boxed no cooling (BX80648I75820K)
CPU-Cooling: be quiet! Dark Rock Pro 3 (BK019)
RAM: Crucial DIMM Kit 16GB, DDR4-2133, CL15-15-15(CT2K8G4DFD8213/CT2C8G4DFD8213)
GPU: Palit GeForce GTX 980 Super JetStream, 4GB GDDR5(NE5X980H14G2J)
Mainboard: Gigabyte GA-X99-UD3
Energy: be quiet! Straight Power 10-CM 600W ATX 2.4 (E10-CM-600W/BN235)

Was running Windows 8.0 when I created this post, meanwhile upgraded to windows 10 without any changed on stability.
Also tried Avira and AVAST for Antivirus.