Okay, I am at a loss for solutions. I am running an AMD Ryzen 7 3700X 8 Core CPU. I have 32 Gigs of System RAM. 4 Gigs of Video RAM on Geforce GTX 1050Ti Vid card. I changed my paging file to 5600 to 6400. And STILL I fly FSX Acceleration for one flight and begin another and the program stops with a "ran out of system memory" error msg. Thoughts? Solutions? Thanks, Lee