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      Special Upgrade 4 Tech Tips   12/27/2016

      Hi all! Now that Upgrade 4 is out and about in large quantities we have now discovered a few SNAFUs that happen out in the scary, real world that is home computing.  Fortunately the rate of problems is extremely small and so far most are easily worked around.  We've identified a few issues that have similar causes which we have clear instructions for work arounds here they are: 1.  CMRT Windows customers need to re-license their original key.  This is a result of improvements to the licensing system which CMBN, CMBS, and CMFB are already using.  To do this launch CMRT with the Upgrade and the first time enter your Engine 4 key.  Exit and then use the "Activate New Products" shortcut in your CMRT folder, then enter your Engine 3 license key.  That should do the trick. 2.  CMRT and CMBN MacOS customers have a similar situation as #2, however the "Activate New Products" is inside the Documents folder in their respective CM folders.  For CMBN you have to go through the process described above for each of your license keys.  There is no special order to follow. 3.  For CMBS and CMFB customers, you need to use the Activate New Products shortcut and enter your Upgrade 4 key.  If you launch the game and see a screen that says "LICENSE FAILURE: Base Game 4.0 is required." that is an indication you haven't yet gone through that procedure.  Provided you had a properly functioning copy before installing the Upgrade, that should be all you need to do.  If in the future you have to install from scratch on a new system you'll need to do the same procedure for both your original license key and your Upgrade 4.0 key. 4.  There's always a weird one and here it is.  A few Windows users are not getting "Activate New Products" shortcuts created during installation.  Apparently anti-virus software is preventing the installer from doing its job.  This might not be a problem right now, but it will prove to be an issue at some point in the future.  The solution is to create your own shortcut using the following steps: Disable your anti-virus software before you do anything. Go to your Desktop, right click on the Desktop itself, select NEW->SHORTCUT, use BROWSE to locate the CM EXE that you are trying to fix. The location is then written out. After it type in a single space and then paste this:

      -showui

      Click NEXT and give your new Shortcut a name (doesn't matter what). Confirm that and you're done. Double click on the new Shortcut and you should be prompted to license whatever it is you need to license. At this time we have not identified any issues that have not been worked around.  Let's hope it stays that way Steve
    • Battlefront.com

      Forum Reorganization   10/12/2017

      We've reorganized our Combat Mission Forums to reflect the fact that most of you are now running Engine 4 and that means you're all using the same basic code.  Because of that, there's no good reason to have the discussion about Combat Mission spread out over 5 separate sets of Forums.  There is now one General Discussion area with Tech Support and Scenario/Mod Tips sub forums.  The Family specific Tech Support Forums have been moved to a new CM2 Archives area and frozen in place. You might also notice we dropped the "x" from distinguishing between the first generation of CM games and the second.  The "x" was reluctantly adopted back in 2005 or so because at the time we had the original three CM games on European store shelves entitled CM1, CM2, and CM3 (CMBO, CMBB, and CMAK).  We didn't want to cause confusion so we added the "x".  Time has moved on and we have to, so the "x" is now gone from our public vocabulary as it has been from our private vocabulary for quite a while already.  Side note, Charles *NEVER* used the "x" so now we're all speaking the same language as him.  Which is important since he is the one programming them
Deriuse

game crashes after some time playing

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my game suddently stops working without any specific event tied to it,it happens with all the cmx2 titles not only one i have mods installed but i didnt change anything but the graphic card i have format my computer and still happens,,before that everything was ok same mods same nvida control pannel options except i changed the resolution for 4k can be this? i changed from a 780to a  1070 it happens when i have been playing for like 20-30 minutes only happens with cm games i run other old games (star wars galaxies is from 2003) and they run fine

Edited by Deriuse

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I wouldn't necessarily think that a particular resolution would cause a problem with the CM series. So every game crashes after 20 - 30 minutes of play, regardless of what you're doing ? So if you just brought up a game and got to the 3D screen (a Quick Battle or something) and left it there, it would still crash within 20 to 30 minutes ?

What Windows version are you running (i.e. - Windows 10 Home 64-bit, etc.) ? What video driver do you have installed ? You may want to reinstall your video driver. When you do so, select the 'custom' option and select the 'clean install' check-box once it is presented. This should hopefully get rid of previous registry entries and other files that may only belong to a previous driver.

Have you added 'exceptions' in your security software for the game executables and/or their directories ? Usually such steps are necessary just for the games to run. It is a bit more rare for security software to cause a problem once the game is running.

Do you know what my be running in the background when you attempt to run a CM game ? Any particular programs or utilities ? You say that you 'format  your computer', as this a complete wipe and reinstall of Windows and all of your applications or did you possibly just reinstall Windows over the previous installation ?

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yes it crashes even if doing nothing

im using windows 10 profesional 64 bits

i have the latest driver and reinstalled it as you said

i have the firewall and anti virus disabled

i format my computer with a total wipe

programs running are steam and nothing else

 

still crashing

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Same thing happened to me on CMFB.  Game is fine for about 40 minutes of turns into an hour and fifteen minute "Quick Battle".  I press start to start my next turn and the entire game dumps and I go to my home computer screen.  I have a Mac running OS X El Capitan, Processor: 3.2 GHz intel Core i5, Memory: 8GB 1600 MHz DDR3, Graphics: NVIDIA GeForce GT 755M 1024 MB.

Arthur

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I've been playing CMBN, CMFI, CMFB, and CMRT since last fall, v.4 for all, using Windows 10 and latest nVidia driver (391.35 / 3-27-18) and have recently begun experiencing crashes with CMRT.  Had one quick battle crash multiple times.  Had a three-hour stock scenario do fine for the first two hours, then crash (as I was trying to save!).  I have no AV program other than Windows Defender.  

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Posted (edited)

I also wanted to mention I occasionally get crashes on Combat Mission games as well. I have all the WWII titles, and all titles have crashed roughly 30min-60min into a save.

My specs:

Windows 10 Pro

Intel Core i7-8700K CPU

16.0 GB RAM

Nvidia 1080 Ti with up-to-date drivers

I have tried fresh installations. I have played without mods and with mods with both fresh installs. Combat Mission titles are updated to the latest engine v.4 upgrade. They are installed on my SSD. Not sure what happened, but these are random crashes. At the same time, the time frame between crashes stays pretty consistent. 

Thank you

 

Edited by Eremitae

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I have also started experiencing crashes, on CMBN. I had always regarded these games as extremely stable, so it was a surprise.

One possible clue - each time it was when I went AFK for about 20-30 minutes.

Since then, I have not gone AFK and left the game running, and it hasn't happened again so far.

I wonder if a Windows update is causing the problem. Nothing has changed on my rig. Except maybe an Nvidia driver update some time ago.

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Posted (edited)

It might be a bit more widespread

Though a few commonalities stand out:

  • It seems the origin date of the crashes is something that happened around February.
  • There might crashes for different reasons, but it seems at least one kind of error is Nvidia/Geforce graphics cards.

Even if it is related to Geforce graphic cards, it does not mean for sure that Nvidia made a bad driver, although that could be one reason - OpenGL is not given the majority of the attention by graphic cards providers. Maybe Combat Mission is interacting with the OpenGL in inappropriate manners, that before was beforehand working, but driver updates assumes no such behaviour. Maybe Windows changed (broke) something recently - many with the problem are reporting using Windows 10, though not all.

Regardless, the end result is the same; CMFI crashes. I can also say plenty of other games do not crash. So regardless of fault, it might fall to Battlefront to fix/workaround the issue.

 

Edited by Muzzleflash1990

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Posted (edited)

The CM series utilizes comparatively basic OpenGL 2.x calls in a manner I believe is considered 'immediate mode'. This provides the greatest compatibility with most drivers that are capable of supporting OpenGL (though there are basically just 3 major video chip vendors left now). Most games on the PC utilize DirectX and those that utilize OpenGL may be using OpenGL 3.x or 4.x now.

More than likely, as has often been the case in the past, an optimization within a newer driver release has broken something that CM's 'immediate mode' OpenGL 2.x depends on. There may be no 'fix' that Battlefront can release to work-around this issue. 'Working around' this issue could potentially require re-engineering the graphics engine (the bugs can be that significant that OpenGL 2.x simply won't work to fully support the graphics engine). This is no small task and goes beyond a 'simple patch'. The best course of action, if this problem is related to the video drivers (which seems to be the case based on some of the errors), is to go back to a slightly older driver and see if that helps. I would suggest the 388.71 (for Windows 10 64-bit). These were released only in December 2017, so they are not that old.

When performing the installation I suggest selecting 'Custom' and then selecting the check-box for 'Clean installation', which should remove the previous drivers (and require a reboot).

Edited by Schrullenhaft

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On 19/4/2018 at 5:53 PM, Schrullenhaft said:

What have you done so far to address this issue ? What advice have you tried and what are the exact results you're getting with it ?

everything suggested and even pray  nothing worked so far

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So if you switch the resolution down to 1920 x 1080 (which is what I assume you were running earlier), what effect does that have ? I suspect it won't change what you're seeing.

The CM series shouldn't really tax your video card, but if you check it with some monitoring software (sometimes available from the video card manufacturer or using GPUZ) is it still within a decent temperature range, which supposedly would be about 85 C with a GTX 1070 ? What driver version are you running currently ?

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i

1 minute ago, Schrullenhaft said:

So if you switch the resolution down to 1920 x 1080 (which is what I assume you were running earlier), what effect does that have ? I suspect it won't change what you're seeing.

The CM series shouldn't really tax your video card, but if you check it with some monitoring software (sometimes available from the video card manufacturer or using GPUZ) is it still within a decent temperature range, which supposedly would be about 85 C with a GTX 1070 ? What driver version are you running currently ?

it has the same effect im running the latest nvidia driver and temperature isnt a issue i have exterior temperature display and i run new games such as totalwar warhammer 2 ultra gprahics with no issues etc

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2 minutes ago, Schrullenhaft said:

So you installed the 388.71 drivers I linked to earlier and you still get the crashing at 20 - 30 minutes ?

yes 

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