Hello Tom and thanks for your reply.
The answer to your first question is a profound YES.
Answering the next question isn't so easy for a 76 year old but I think this may be the one. Don't hold me to it though.
Faulting application name: Prepar3D.exe, version: 188.8.131.5268, time stamp: 0x588f7cbf
Faulting module name: PresentationFramework.ni.dll, version: 4.7.2102.0, time stamp: 0x593715d7
Exception code: 0xc0000005
Fault offset: 0x006d51e0
Faulting process ID: 0x554
Faulting application start time: 0x01d33579644e794c
Faulting application path: E:\P3DV3.4\Prepar3D.exe
Faulting module path: C:\WINDOWS\assembly\NativeImages_v4.0.30319_32\Presentatio5ae0f00f#\3dcca61b8740d4024a7d3f194c976bae\PresentationFramework.ni.dll
Report ID: c6692144-e1b5-4863-99ef-64cf6e225763
Faulting package full name: