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Posted

Hi, fellow 737 captains and developers,

since updating XPlane to version 10.51 I have noticed an unusual behaviour of the 737 FMC. Delays in reacting to inputs (RTE page, especially PERF page) increase almost with every input while on ground, e.g. I enter cost index or reserve fuel into the scratch pad --> figures appear immediately. Next I press the appropriate LSK --> *several* seconds expire until the value previously entered into the scratchpad appears in the proper box. EXECuting takes about half of a second. Next entry is delayed even longer, and so on ... to the point that entering a new transition level and/or wind aloft in the DES FORECAST page almost causes the sim to freeze. This issue arises witht the IXEG 737 only, not with the 757/767/777 professionals, so it must be plane-specific. I have not seen any report addressing this particular issue ... any ideas anybody?

Until further notice my 737 will remain grounded.

Sigmar (LOWL/LNZ)

Posted

If you are using windows defender , make sure to exclude x plane from it. It can help with the fmc performance issues. Also, I'm not sure this is true or not but I did see it somewhere in this forum, but the fmc in real life has lag since it's a very old computer. Maybe ixeg have tried to implement that. 

 

 

Posted

Thanks, podster, but I have disabled defender, and I do not think that IXEG implemented anything like that, since the problem appeared not after an IXEG update but only after the latest XPlane update... and by the way, the 757/767 FMCs are pretty old as well ... about the generation of texas instruments calculators I used at high school when I was 18, and now I'm 53 :-)

Sigmar

Posted
1 minute ago, Sigmar said:

Thanks, podster, but I have disabled defender, and I do not think that IXEG implemented anything like that, since the problem appeared not after an IXEG update but only after the latest XPlane update... and by the way, the 757/767 FMCs are pretty old as well ... about the generation of texas instruments calculators I used at high school when I was 18, and now I'm 53 :-)

Sigmar

Haha yea, pretty old CPUs in those machines. If this only happened from the xp update, you might want to try to reinstall the plane or reset your preferences. Is the ixeg the only plane with issues? 

Try taking a look at this forum to see if anything can fix your issue. 

Just out of curiosity, what cpu do you have?

Posted

CPU is Intel Core i7-6700K, and yes, IXEG is the only plane showing that issue. 757/767/777 professional work as smoothly as they did before. Just completed a test flight EDDK to LOWG with 757 prof (DHL freighter, RR engines) under XPlane 10.51 without any problems with the FMC.

Thanks & happy landings Sigmar

Posted

Just do me a favour and re-check your settings for all virus- and anti-spy software. We had instances where people turned off those programs, but then they somehow "revived" themselves... So check with windows defender, avast, anti-vir, etc...

This is just to make sure that we are not chasing the wrong rabbit, here.

Thanks, Jan

 

  • Upvote 1
Posted (edited)

Dear Jan,

WILCO, checked. Exceptions in Defender (temporarily disabled anyhow) and Kaspersky for the whole X-Plane directory are effective. Just deleted and re-installed IXEG 737; no change in behaviour. Just tried to programme a flight LOWG (Graz) to EDDT (Berlin-Tegel; Air Berlin does this one in real life, though with a Dash 8...). While programming the route, next airway (e.g. UZ33 from LNZ) is accepted quickly when pressing the appropriate LSK (left-hand column), while next waypoint (e.g. ADLET) takes several seconds to appear when pressing the appropriate LSK (right-hand column). The closer to EDDT, the longer the delay. Once the tanks are full and the PERF page is open, things get real bad: ZFW takes 10 seconds to appear in the appropriate box, so does CI and so on. I enclose the FMC debug file which was created when I quit at that point.

Edit: And just to clarify, the system configuration concerning defender and Kaspersky is the same as it was before. IXEG 737 was working fine up to and including versions 1.0.7. (737) and 10.50 (XPlane). Problems appeared only after update to 10.51 (XPlane).

Best

Sigmar

 

IXEG_FMS_debug.txt

Edited by Sigmar
Posted

I noticed exactly the same issue on my side since upgrading to 10.51.

confusing enough, see screenshot attached, I guess defender is deactivated (control pannel says activated, when clicking on open windows defender it says it's turned off)

will check if my Kaspersky plays nasty games with me, but it never did happen before 10.51, so I never actually had it deactivated while flying.

defender.jpg

Posted
9 minutes ago, donoscar said:

I noticed exactly the same issue on my side since upgrading to 10.51.

confusing enough, see screenshot attached, I guess defender is deactivated (control pannel says activated, when clicking on open windows defender it says it's turned off)

will check if my Kaspersky plays nasty games with me, but it never did happen before 10.51, so I never actually had it deactivated while flying.

 

Windows defender can not be disabled to my understanding and if you kill the process it will come back again when restart.

 

Your best action would be: go to the windows defender page, see there for exclusions and add an exclusion for the entire /xplane 10/ folder (you can add exclusions per folders or per file basis, use the 'per folder' menu and add xplane root folder). Thats it.

Posted (edited)
18 minutes ago, mmerelles said:

Windows defender can not be disabled to my understanding and if you kill the process it will come back again when restart.

 

Your best action would be: go to the windows defender page, see there for exclusions and add an exclusion for the entire /xplane 10/ folder (you can add exclusions per folders or per file basis, use the 'per folder' menu and add xplane root folder). Thats it.

you can....

Option One: To Turn On or Off Windows Defender using Group Policy (possible if you are running Win10 Pro)
Option Two: To Turn On or Off Windows Defender using a REG file
 

defender2.jpg

just google "how to turn off windows defender windows 10" and read the instructions

but it seems some update had overwritten my original settings

will test the now with fresh settings if it was down to what Jan answered.. stay tuned!

 

Edited by donoscar
Posted
23 minutes ago, donoscar said:

you can....

Option One: To Turn On or Off Windows Defender using Group Policy (possible if you are running Win10 Pro)
Option Two: To Turn On or Off Windows Defender using a REG file
 

defender2.jpg

just google "how to turn off windows defender windows 10" and read the instructions

but it seems some update had overwritten my original settings

will test the now with fresh settings if it was down to what Jan answered.. stay tuned!

 

Yea I've found that doing that didn't permanently turn it off unlike windows 7. I have just instead excluded the x plane exe and folder so I don't have to worry about it.  

Posted
6 minutes ago, poodster said:

Yea I've found that doing that didn't permanently turn it off unlike windows 7. I have just instead excluded the x plane exe and folder so I don't have to worry about it.  

that's not correct, it does turn it off completely. Group policies are hard limits for Corporations with very precise requirements that need to be respected, even by Microsoft. The only exception to my understanding happens, when updating windows... like the anniversary upgrade. It might again mix up all your settings thanks to ever "don't give a damn Microsoft attitude".  I am not sure you keep those defender folders' settings when updating win either. so, since I cannot trust Windows, I prefer to turn it off. And for those using third party soft it is very recommended if not mandatory anyway.

Posted
2 minutes ago, donoscar said:

that's not correct, it does turn it off completely. Group policies are hard limits for Corporations with very precise requirements that need to be respected, even by Microsoft. The only exception to my understanding happens, when updating windows... like the anniversary upgrade. It might again mix up all your settings thanks to ever "don't give a damn Microsoft attitude".  I am not sure you keep those defender folders' settings when updating win either. so, since I cannot trust Windows, I prefer to turn it off. And for those using third party soft it is very recommended if not mandatory anyway.

I'll give it a try again, but when I did it a month ago, it never wanted to stay off. 

Posted
1 hour ago, mmerelles said:

Windows defender can not be disabled to my understanding and if you kill the process it will come back again when restart.

 

Your best action would be: go to the windows defender page, see there for exclusions and add an exclusion for the entire /xplane 10/ folder (you can add exclusions per folders or per file basis, use the 'per folder' menu and add xplane root folder). Thats it.

Which is exactly what I did ... and it did not solve the issue, which is what this topic should be all about. I am just a dumb lawyer and end-user, not trying to outsmart the software engineers out there. Remember: THEY are paid for this, not I.

Sigmar

Posted
6 minutes ago, Sigmar said:

Which is exactly what I did ... and it did not solve the issue, which is what this topic should be all about. I am just a dumb lawyer and end-user, not trying to outsmart the software engineers out there. Remember: THEY are paid for this, not I.

Sigmar

in this case option 2 shall be your solution :-)

go to http://www.tenforums.com/tutorials/5918-windows-defender-turn-off-windows-10-a.html and download the REG file here: http://www.tenforums.com/attachments/tutorials/107814d1477579014-windows-defender-turn-off-windows-10-a-turn_off_windows_defender.reg

read the instructions, they are easy... download, execute, log off, log on again, should be done!

Posted (edited)
11 hours ago, Litjan said:

Just do me a favour and re-check your settings for all virus- and anti-spy software. We had instances where people turned off those programs, but then they somehow "revived" themselves... So check with windows defender, avast, anti-vir, etc...

This is just to make sure that we are not chasing the wrong rabbit, here.

Thanks, Jan

 

looks like this was the reason, I suspect the anniversary update triggered a reactivation of the damn defender... for whatever reason, without any notice. I love MS!

planning routes every thing back to normal on the MCDU after forcing Defender to shut down

thanks Jan :-)

Edited by donoscar
  • Upvote 1
Posted
18 minutes ago, donoscar said:

looks like this was the reason, I suspect the anniversary update triggered a reactivation of the damn defender... for whatever reason, without any notice. I love MS!

planning routes every thing back to normal on the MCDU after forcing Defender to shut down

thanks Jan :-)

this is exactly why i (as others) suggest putting a folder exception to defender, we have seen this already plenty of times and those smart ways to disable defender fail sooner or later one way or the other.

 

glad you are back ok :)

 

 

Posted (edited)
45 minutes ago, mmerelles said:

this is exactly why i (as others) suggest putting a folder exception to defender, we have seen this already plenty of times and those smart ways to disable defender fail sooner or later one way or the other.

 

glad you are back ok :)

 

 

Let me explain ;) ... that does not work if you have third party anti-virus... the defender is apparently de-activated but actually still running (check the screen shot in my first post!!) and you cannot enter any exceptions as you cannot open the application :blink:

apart from that, I would not be 100% confident these exceptions are maintained through one of those MS updates but anyway, for my configuration and my personal preferences, best solution is to deactivate it with group policy and check it stays de-activated after big updates. like anniversary 

Edited by donoscar
Posted

Hi everyone,

thanks for your replies so far, but having to mess with registry files as an end-user to make payware (!) run under a normal system environment is not what I have been used to so far, and neither will I in the future. Hence I shall follow Lufthansa's example who just retired their last 737 classics.

All good wishes

Sigmar

Posted
8 minutes ago, Sigmar said:

Hi everyone,

thanks for your replies so far, but having to mess with registry files as an end-user to make payware (!) run under a normal system environment is not what I have been used to so far, and neither will I in the future. Hence I shall follow Lufthansa's example who just retired their last 737 classics.

All good wishes

Sigmar

Well don't retire your plane if it works now. You found the problem and the plane is working as it was. 

Posted
39 minutes ago, Sigmar said:

Hi everyone,

thanks for your replies so far, but having to mess with registry files as an end-user to make payware (!) run under a normal system environment is not what I have been used to so far, and neither will I in the future. Hence I shall follow Lufthansa's example who just retired their last 737 classics.

All good wishes

Sigmar

you only have to do that if you have a third party anti-virus installed, and if that is your particular case, nothing to do with ixeg or other. you chose to use an alternative protection software, so you should also take the necessary steps to make that software work correctly. the ones to pin-point are MS who do as they wish with us. Now you could also unistall your anti-virus and turn back to Defender deactivating it whilst you fly, your call.

I cannot see why you would take yourself the pleasure of flying it, at the end it is really easy, download the reg file, execute, you're done.

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