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OK thanks.

I know this is an old thread, but I just built a new PC and was having this problem with CP. I couldn't figure out why this was happening (I hate WIn11), then I remembered this being discussed here. So I assume that there has not been a permanent fix to this problem? Thanks,

Just in case anyone is wondering, as of 7/6/25 OC2 still has full P3D functionality for me, I was able to download a PMDG livery and it installed without issue. And I already have backed up all of my already downloaded liveries just in case 🙂

I think that good third party airports from Flightbeam and Fly Tampa look much better and more realistic P3DV5 than MSFS. I am still amazed how well P3D holds up to both MSFS 20 and 24.

This is an issue with 5.4. There is a lua script available somewhere to fix this, you can also revert back to 5.3.

Worth it is a relative term, but I don't think it will give more FPS. It may let you use more eye candy in the sim while maintaining acceptable frame rates, but that's about it.

I run a 4080, and the only time I even run close to running out of VRAM is with the TFDi MD-11. I also push the GPU pretty hard, and I only have a 9700K. I use: 4K textures 7cm textures 4X SSAA Ultra Shadows TEXTURE_SIZE_EXP=10 2560X1440 Resolution. I don't think you problem is VRAM related.

Your best bet is to reach out Rex to make sure the registration key will carry over to P3D V5.

5.3HF2. I run QW787 V1.4.

Interesting, I have never had those issues with the 787, I personally think it is great for it's price point and target audience. It is a bit slippery while descending, but so is the real thing as I have been told.

I can confirm that disabling Real Light saves about 1.0 - 1.2GB of VRAM on my RTX4080. The beacon and nav lights are still way overblown with RL disabled. Hopefully these issues get sorted soon.

Did you change to a different frequency on the com radios in the aircraft?

Well, I maxed out 16GB of VRAM with a 4080, so that is beyond disappointing for textures that are definitely not 4K. Also the external and beacon lights are way overblown and completely unusable at night. This is 717 release debacle all over again.

P3D is not a true fullscreen program, it is actually borderless window which may not work with Smooth Frame.

You can try to go into the main sim folder, open "redist", then "Interface", then trying reinstalling simconnect via the ESPv1 folder.