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Old 07-03-2019, 04:13 PM   #31
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Fine by me!

No problem, I also didn't check the thread in the last days.
I did resolve the issue with the link provided by Chief_WH
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Old 07-04-2019, 09:22 AM   #32
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Originally Posted by Rhodes View Post
I had a little upgrade on my pc, with a new installation of Win7.

I just installed SH3 now and after I run the game with out success. The same problem and rundll32 spiking!
SO it is a win7 problem, do to something. Any one want to join and march through MS with pitch and forks?
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Old 07-04-2019, 03:24 PM   #33
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I find that very interesting, changing the gameux.dll to gameux.txt or similar... how did someone figure that out? Also, why are things fine in Win10, but not Win7?...

- Thanks to Chief_WH for posting!

"...and bollocks to the naysayer/s" - Jimbuna
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Old 07-04-2019, 04:35 PM   #34
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I am running a Dell and for whatever reasons cannot gain administrator permissions to delete the Gameux.dll or change its file extension. Also discovered that the Rundll32.exe problem also happens with stock FS2K4 but not with my two heavily modded FS9-based variants.

The stock flight simulator executable is FS9.exe but the variants have different names (Silver Wings.exe and Golden Wings.exe respectively) so perhaps this might be a factor. All SH3 installations retain the SH3.exe file name for their executable but SH4, which has the same naming convention, is seemingly immune to the runaway Rundll32 issue. Am confident that the problem is not related to SH3 Commander in any way.

There are a total of six Rundll32.exe files living in various folders in the Windows directory and this seems excessive but hey, it's MS Windows after all...


EDIT New Data

Just did some more testing and changed the executable file name from SH3.exe to GWX.exe and the main program runs fine without the runaway Rundll32.exe CPU issue. The only problem is that SH3 Commander cannot identify a renamed SH3.exe and will not run after renaming the file.

If you cannot use the fix provided by Chief WH you appear left with a basic binary choice:

0 = Rename the SH3 executables and lose the use of SH3 Commander: or

1 = Terminate the Rundll32.exe process using the task manager after you get SH4 up and running.


Final edit

Last word. Got the permissions sorted and changed the gameux.dll to Tested and the runaway Rundll32.exe issue is gone. Performed a cold boot to check that there are no startup issues and all is well. Thanks to Chief WH for his fix and everyone else for their input.


Last edited by Randomizer; 07-04-2019 at 10:18 PM.
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Old 07-06-2019, 12:04 PM   #35
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Default SH3 commander and SH III

Question will the installation of win 10 fix this problem??
everything I read and hear about this issue points to win 7 problem The machine I use for the game is run by win 7 I do not use it for anything else

will this solve the problem??
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Old 07-12-2019, 10:37 AM   #36
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Default Back in the saddle


I tried a bunch of different solutions mentioned on this thread with strange, time consuming and mixed results.

However this one worked (at least so far):

0 = Rename the SH3 executables and lose the use of SH3 Commander

I got her up and running and I'm back to playing.

There are many features from SH3 Commander that I really miss: Date and type of sub you start with, adjustable time compression, removable deck guns, career records, and NO FATIGUE to name a few. Fortunately I know how to kill fatigue manually.

Anyway, thanks for pointing me in the right direction!

David I
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Old 07-18-2019, 12:52 PM   #37
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Hey all,

I experienced a similar issue with GWX not loading the first time, with or without Commander. I have Windows 7 64 and I have to launch the game a second time to get it to start. I use task manager to end process on the first instance. This is on a clean install of GWX in C:/Games and admin account. I tried all sorts of compatibility settings and even disabled my antivirus but nothing worked except the work arounds mentioned by others here.

Oddly enough, I have played GWX on and off for many years on the same computer without this problem. Also, SH3 vanilla now has this problem.

It’s not a big game breaker but a slight annoyance.


Last edited by regentkpt; 07-18-2019 at 08:16 PM.
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Old 07-18-2019, 04:02 PM   #38
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Default Welcome aboard!

"Only two things are infinite: The Universe and human stupidity; And I'm not too sure about the Universe..." Philip K. Dick
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Old 07-18-2019, 04:06 PM   #39
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A Warm Welcome To The Subsim Community > regentkpt
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