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MSFS crawls to standstill when in PMDG 737 and FSUIPC running


SliderCDN

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Since I updated 737 to .31 version, after loading into the aircraft, MSFS effectively freezes if FSUIPC is running. Screen is frozen and 1 frame skips over every 20 seconds or so, while MainThread ms turns into 6 digit numbers. Moments after turning off FSUIPC, MSFS unfreezes and life goes on and viceversa. I have spent last few days tracking this down and it's 100% FSUIPC caused, specifically with PMDG 737.

At this time, 737 is unusable because I've been using FSUIPC since FS9 days to set up my controllers and it's used by various external programs for Virtual Airlines and online flying.

 

See this thread where we've tried narrowing it down
https://forum.pmdg.com/forum/main-forum/pmdg-737-for-msfs/209238-sim-freezes-before-clicking-ready-to-fly

Edited by SliderCDN
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As Luke says, auto-save has always been an issue with PMDG aircraft, but it normally only causes a freeze for a few seconds (while the data is being saved). If it takes longer, it can be due to anti-virus/anti-malware software. Make sure the save-flight folder is excluded from such software (or just disable auto-save). The SDK save-flight function (which is what FSUIPC7 uses to save a flight) is also still not functioning correctly anyway, so its probably not worth using at the moment, although it does work sometimes, it is not yet 100% reliable.

John

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4 hours ago, John Dowson said:

As Luke says, auto-save has always been an issue with PMDG aircraft, but it normally only causes a freeze for a few seconds (while the data is being saved). If it takes longer, it can be due to anti-virus/anti-malware software. Make sure the save-flight folder is excluded from such software (or just disable auto-save). The SDK save-flight function (which is what FSUIPC7 uses to save a flight) is also still not functioning correctly anyway, so its probably not worth using at the moment, although it does work sometimes, it is not yet 100% reliable.

John

 

Thank you for replying. I like hearing/reading it from a developer 🙂

I run P3Dv5 and MSFS in parallel, both with PMDG and FSUIPC and so far only issue has been Autosave in MSFS, but I can deal with it.

Cheers

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One additional quick test:

Try this:

Do not use FSUIPC's start up batch file or manually start FSUIPC before starting MSFS.


Start your PMDG flight in MSFS.
Then manually start FSUIPC (with the Autosave option).
Results?

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