12 replies to this topic

[Israels Finest]

Hello everyone, I am creating this topic to help other players that find themselves in this same situation. I looked online many times and never found this solution so I will share it here.

GM Zen contacted me from support and shared this solution so big thank you to them.

If MWO is crashing when pressing the "Play" button and you have exhausted all the other solutions found online from other forum/reddit topics then perform the following.

Open “File Explorer” (Win+E), right-click on “This PC”, and select “Properties”
Select “Advanced System Settings”
Select “Environment Variables” in the “Advanced” tab
Select “New…” under “System variables”
Input the text below and select “OK”

Variable name: OPENSSL_ia32cap
Variable value: ~0x200000200000000

Do not perform this if you do not trust me or know what you are doing, I am just sharing the solution here to save other players some time if they find themselves in the same issue.

The reason this fix works I think is because of the following from Intel's Website...

OpenSSL* 1.0.2 beta (Jun 2014) to OpenSSL 1.0.2k (Jan 2017) contain bugs that either cause a crash or bad SHA (Secure Hash Algorithm) values on processors with the SHA extensions, such as the recently released 10th Generation processor. Both bugs were fixed years ago; however, any application that uses the old version directly, or as one of its dependencies, will fail. Unreal Engine* version 4.13 (Sept 2016) to version 4.21 (Dec 2018) contains the old version of OpenSSL, so any game built using those versions is possibly affected.

Edited by Israels Finest, 08 September 2021 - 03:34 AM.

[Ekson Valdez]

This seems to be a valuable resource for the dreaded Intel CPUs of 10th gen and later issues. I'll quote this in the appropriate workaround section.

[w0qj]

Wow, THANK YOU for your sharing!

[jonomy]

Can't thank you enough - new pc and an error operating MWO! Yikes. I had a pot of coffee and a couple hours set aside to get this straight. Now I have some time to play the game on my new gear - or do laundry

[Embiggens The Small]

Holy sh**, thank you. Was tearing my hair out here.

[w0qj]

Dear MWO Moderator, may I nominate this posting to be "stickied" to somewhere useful!

[Ekson Valdez]

Already done!

Game Won't Start? Fix For 10Th Gen And Later Intel Cpus And Mwo

[FlutterKOHb]

11 window, Intel CPUs of 12th gen, this method helped.

Edited by FlutterKOHb, 19 April 2022 - 12:30 AM.

[LordNothing]

i jumped ship for ryzen with my last build. i do not regret this decision.

[Flea King Fleappuccino]

Which play button is this referring to?

I get crashes every 7 or so QP matches, usually around the time when the mech powers up and gets ready to be dropped. Is this the type of crash this solution might solve?

[Lord Sevenous]

King Samu, on 21 April 2022 - 05:24 AM, said:

Which play button is this referring to?

I get crashes every 7 or so QP matches, usually around the time when the mech powers up and gets ready to be dropped. Is this the type of crash this solution might solve?

No this is the workaround if nothing ever works.

(The Game crashes after pressing the play button of the launcher or the play button of steam)

and it helps only those who have Gen 10 or later Intel CPUs

Edited by Lord Sevenous, 21 April 2022 - 10:34 AM.

[Papaspud]

I had the same problem with my new build and this fixed it no problem, thanks Zen.

[Meep Meep]

I have a 10th gen intel and wasn't getting the crashing bug but was getting some odd stuttering now and then for no apparent reason. I tried this and haven't had the stutter issue anymore.