Please help with P3D CFG

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Hi, I was having problems with performance, getting about 15 fps less than what I normally should. I am trying to have P3D build a new cfg, but every time I go and delete the cfg, my setting are not reset and a new, fresh, cfg is not built. Does anyone know what might be causing my setting and CFG to be "stuck:"?

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Are you sure your deleting the .cfg file and not the text document.


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@onebob Yes, I deleted the who P3D v4 folder in my app data/roaming once that didn't work. It's like a different CFG is controlling my p3d

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You should have deleted the Prepar3D.cfg folder in this location:-

C:\Users\????????\AppData\Roaming\Lockheed Martin\Prepar3D v4\Prepar3D.cfg

if you have deleted the Prepar3Dv4 folder you will need to do a repair job.

I was asking did you delete the ..... Prepar3D.cfg.txt ....   file by mistake.


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Hello Jarad,  Welcome to the Avsim Forums 

Do you have just Prepar3D v4 on your computer now ?  Is it possible you have the left overs from Prepar3D v3 as well ? 


If you have deleted the Lockheed Martin or Prepar3D v4 folder,  Not to worry this folder(s) are generated folders and will generate again when you launch Prepar3D 

Local Disk (C:) ► Users ► You ► AppData ► Roaming ► Lockheed Martin ► Prepar3D v4 


Do you have the Estonia Migration Tool (EMT) Installed ?   If so can you Disable it and try the steps below.

Either way try the steps below.....

This is the Prepar3D.cfg file,  Is this what you are looking for ? 

 Copy the Tex below and Paste it into your Windows search bar and click on the result,  this will bring you directly to the correct location

%PROGRAMDATA%\Lockheed Martin\Prepar3D v4


Let me know what you see at this location,  Does it look like my Image ? 

Maybe you could take an Image of the contents of this folder and post it into your next post 

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