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AussieMan
May 17th, 2017, 22:11
Over the last couple of days I have started experiencing a problem in both FSX SE and P3D V3.4. When cycling through various panels in an aircraft I get the message "Unable to create child window". I am not sure what a child window is or what it does except occasionally cause the sim to CTD.

Any ideas to the cause and is there a way to fix it.

musterpilot
May 17th, 2017, 22:50
G'day Pat
Try this
----------------------------------
Do this
https://support.microsoft.com/en-us/kb/3086255
Then
Delete files located in the following folder:

%LOCALAPPDATA%/Lockheed Martin\Prepar3D v3\Shaders

HINT: The directory addresses I provided can be pasted in the Windows Explorer or Windows search box.

or run the following from command prompt in the folder where Prepar3D was installed:

Prepar3D.exe -DELETESHADERCACHE

John

AussieMan
May 18th, 2017, 02:14
Thanks John, will give it a try.