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#4478811 - 06/19/19 03:35 AM rundll32.exe tip  
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WallysWorld Offline
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WallysWorld  Offline
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Alberta, Canada
So just in the last couple of days whenever I went to run a flight in WOFF UE, my screen would just go white and the Windows 7 mouse icon would just spin away. This just started out of the blue and I didn't make any changes or installs to my Windows 7 64-bit computer (i7-920 at 4 Ghz with GTX 970).

Then I noticed that rundll32.exe was showing up in Task Manager exactly after I clicked for CFS3 to start after using the Mission Editor. And this executable was using a lot of processor power; something like 30-40% of the CPU and eventually after a while the CPU pegged at 100%. So I killed that and I got bounced back to my desktop. This happened every time CFS3 was trying to start.

I did a malware scan for any rundll32.exe hits and got nothing so it's not malware or a virus.

After some research, I finally found that it's Microsoft's Games Explorer causing rundll32.exe (from the Windows\SysWOW64 folder) to run every time CFS3 was starting up. This website (Ubeogeh's thing: Resolve rundll32.exe) gave me the solution. I renamed the file gameux.dll (Game Explorer) in the SYSWOW64 folder and now CFS3 loads quickly and I even think the game plays smoother on my computer the couple of times I've flown since I made that change. It seems even TrackIR is smoother, but I need to do more flying to prove that it is.

This is just a tip in case you see rundll32.exe running while trying to start a flight since CFS3 is a Microsoft product and gameux.dll is Microsoft 's Games Explorer executable. Hopefully someone will find it useful.

Last edited by WallysWorld; 06/19/19 03:37 AM.
#4478869 - 06/19/19 12:23 PM Re: rundll32.exe tip [Re: WallysWorld]  
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Polovski Offline
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Thanks Wallysworld very strange how it suddenly started happening MS must have changed something. Also try scanning with an online virus such as Eset or Kaspersky etc.as a 2nd opinion some clever viruses out there so could be related still even if deleting the microsoft file gameux.dll helped

https://www.eset.com/int/home/online-scanner/
https://www.trendmicro.com/en_us/forHome/products/housecall.html


Last edited by Polovski; 06/19/19 12:53 PM.

Regards,

Polovski,
OBD Software, developers of immersive flight sims;
Wings Over Flanders Fields and Wings Over The Reich
http://www.overflandersfields.com
http://www.wingsoverthereich.com
#4478881 - 06/19/19 01:13 PM Re: rundll32.exe tip [Re: WallysWorld]  
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Adger Offline
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Wow brilliant i was having this issue not on WOFF but on WOTR (mad how one works and one didnt). Downloaded the .Bat file from your link to Ubeogeh,s thing.. ,ive virus checked it using Kaspersky and Malware checked it with IO Malware fighter and its all clean.

Ive also noticed the game starts quicker,havent checked enough regarding "smoother" yet but wanted to say thank you for this cheers

Last edited by Adger; 06/19/19 01:17 PM.

"Vis unita fortior"

"United Strength is Stronger"
#4478894 - 06/19/19 01:53 PM Re: rundll32.exe tip [Re: WallysWorld]  
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Polovski Offline
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It worked for Adger, if it works for others I'll add it to the FAQs and the sticky FAQ area in the forums
Many thanks for digging!


Regards,

Polovski,
OBD Software, developers of immersive flight sims;
Wings Over Flanders Fields and Wings Over The Reich
http://www.overflandersfields.com
http://www.wingsoverthereich.com
#4478901 - 06/19/19 02:33 PM Re: rundll32.exe tip [Re: WallysWorld]  
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WallysWorld Offline
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WallysWorld  Offline
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Alberta, Canada
I did two scans on my computer using two different anti-virus programs and both found nothing so I guess my computer is clean. Yes, it is strange that this started all of a sudden, but I'm glad that someone found it useful.

#4478905 - 06/19/19 02:40 PM Re: rundll32.exe tip [Re: WallysWorld]  
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Polovski Offline
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Ok thank you for trying WallysWorld


Regards,

Polovski,
OBD Software, developers of immersive flight sims;
Wings Over Flanders Fields and Wings Over The Reich
http://www.overflandersfields.com
http://www.wingsoverthereich.com
#4478942 - 06/19/19 06:16 PM Re: rundll32.exe tip [Re: WallysWorld]  
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JJJ65 Offline
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@WallysWorld
I have experienced the same WOFF crashes during first run. That started since WOFF update to 4.23. Because my OS Windows 7 is not updated, that must be difinitely some code change in WOFF.exe causing this rundll32.exe (re)activation.
Great you found the fix thumbsup . Thank you.

#4478947 - 06/19/19 06:49 PM Re: rundll32.exe tip [Re: WallysWorld]  
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Polovski Offline
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It may only occur with 4.23 or whatever but there's no code in WOFF.exe to call gameux.dll - so it's very odd. No change at all to do with anything around calling CFS3.exe or calling or our runtime code. This is an MS dll gameux.dll that tries to call home for MS games, and as the link above shows has been causing hangs with various games since at least 2012!. Likely triggered by CFS3.exe - which has not changed but why that would now revive no idea.

Also ChiefWH found with no AV installed this error did not occur, but yet nothing in the AV log regarding this. When he installed the AV it occurred. So it's more likely something has changed in some AV processes or signatures - many share signatures or detections and so on so could be related to that - all very odd anyway.




Regards,

Polovski,
OBD Software, developers of immersive flight sims;
Wings Over Flanders Fields and Wings Over The Reich
http://www.overflandersfields.com
http://www.wingsoverthereich.com
#4478952 - 06/19/19 06:59 PM Re: rundll32.exe tip [Re: WallysWorld]  
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lederhosen Offline
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Germany
one thing I notice

when I fire up the PC, go to Task manager, and find rundll.exe (system32) already running.
No idea how to prevent this, but can turn it off in task manager.
And bobs your uncle, everything loads faster.

ps..I had changed the name of "gameux" to "gameux.old" in (system32)

edited by me

Last edited by lederhosen; 06/20/19 05:49 AM.

make mistakes and learn from them

I5 4440 3.1Ghz, Asrock B85m Pro3, Gtx 1060 3GB
#4478958 - 06/19/19 07:28 PM Re: rundll32.exe tip [Re: WallysWorld]  
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Polovski Offline
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Thanks lederhosen. There's also one in system32 on my machine (Windows 10) but I do not have any problem running WOFF or WOTR V4.23.
That dll can appear in other places too, but not sure if any others are called.


Regards,

Polovski,
OBD Software, developers of immersive flight sims;
Wings Over Flanders Fields and Wings Over The Reich
http://www.overflandersfields.com
http://www.wingsoverthereich.com
#4479006 - 06/20/19 12:26 AM Re: rundll32.exe tip [Re: WallysWorld]  
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Blade_Meister Offline
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Thanks WallysWorld, al is good here after using this fix. S!

S!Blade<><

#4479024 - 06/20/19 04:30 AM Re: rundll32.exe tip [Re: WallysWorld]  
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BuckeyeBob Offline
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WW, thank you very much for this tip. I've had to start WOFF twice to get it to run since before UE and this tip seems to have solved the problem. Good show!

#4479025 - 06/20/19 05:58 AM Re: rundll32.exe tip [Re: Polovski]  
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JJJ65 Offline
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Originally Posted by Polovski

Also ChiefWH found with no AV installed this error did not occur, but yet nothing in the AV log regarding this. When he installed the AV it occurred. So it's more likely something has changed in some AV processes or signatures - many share signatures or detections and so on so could be related to that - all very odd anyway.

Yes, good point. If that hang ups happen in WOFF as well as in WOTR, then the AV could be the common trigger. Not the code change to WOFF/WOTR, as I wrongly assumed.

#4479031 - 06/20/19 07:14 AM Re: rundll32.exe tip [Re: WallysWorld]  
Joined: May 2012
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lederhosen Offline
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Germany
another note

after some reading as to why rundll starts etc, I wondered if my old Logitech stick was causing rundll to start up.
I hade the software for the stick in autostart mode. Then I stopped that using CCleaner (autostart setting)
Reboot PC, open task-manager...... and no rundll32.exe had started.
Run WOFF in QC, look back at task-manager and still no rundll32 running.


make mistakes and learn from them

I5 4440 3.1Ghz, Asrock B85m Pro3, Gtx 1060 3GB
#4479052 - 06/20/19 10:02 AM Re: rundll32.exe tip [Re: WallysWorld]  
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Polovski Offline
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Thanks JJJ, and all the comments help. This rundll issue seems to affect many things. But at least there's a decent fix for it now.

I think I need to make a sticky in the forums and maybe make a higher priority notice in FAQ and web.


Regards,

Polovski,
OBD Software, developers of immersive flight sims;
Wings Over Flanders Fields and Wings Over The Reich
http://www.overflandersfields.com
http://www.wingsoverthereich.com
#4479250 - 06/21/19 11:29 AM Re: rundll32.exe tip [Re: WallysWorld]  
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Raine Online content
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Raine  Online Content
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I renamed rundll32.exe in SysWOW64 as suggested (running Win 7 Professional) but got a "Game terminated prematurely" error as soon as it went to the brown loading screen.

#4479252 - 06/21/19 11:33 AM Re: rundll32.exe tip [Re: Raine]  
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JJJ65 Offline
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Originally Posted by Raine
I renamed rundll32.exe in SysWOW64 as suggested (running Win 7 Professional) but got a "Game terminated prematurely" error as soon as it went to the brown loading screen.

Renamed rundll32.exe?? confused
You should rename file gameux.dll in SysWOW64.

#4479285 - 06/21/19 04:18 PM Re: rundll32.exe tip [Re: WallysWorld]  
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Polovski Offline
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Doh Raine,
as JJJ65 says that's the WRONG file to rename!

See
http://SimHQ.com/forum/ubbthreads.p...ging-on-first-run-of-the-day#Post4479133

Rename your rundll back to what it should be!


Regards,

Polovski,
OBD Software, developers of immersive flight sims;
Wings Over Flanders Fields and Wings Over The Reich
http://www.overflandersfields.com
http://www.wingsoverthereich.com
#4479320 - 06/21/19 07:12 PM Re: rundll32.exe tip [Re: WallysWorld]  
Joined: Jul 2014
Posts: 1,512
Raine Online content
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Raine  Online Content
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New Brunswick, Canada
Ah, JJJ65 and Pol. Let me express my understanding: "D'oh!"

When I struggle with this stuff I'm reminded of the classic Homer Simpson line "They have the internet on computer now." Thanks so much. Back to the drawing board.

#4479930 - 06/25/19 05:51 PM Re: rundll32.exe tip [Re: WallysWorld]  
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Polovski Offline
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smile no worries have a read of the post there it's fairly straight forward.


Regards,

Polovski,
OBD Software, developers of immersive flight sims;
Wings Over Flanders Fields and Wings Over The Reich
http://www.overflandersfields.com
http://www.wingsoverthereich.com
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