The problem, as your log file said, it's caused by the fact you have exhausted the hard drive space on your Windows boot drive.
MapViewOfFile failed: Not enough storage is available to process this command (system:
The scenery caches (both the FSX and the GSX one) will always be on the C:\Programdata\ folder, so you just can't run FSX reliably if you don't keep some spare space free on the C: drive.
Also, I see you are running an old version of the Couatl program so, after you free enough space to fix your problem, I suggest to download and install the Stand-Alone Addon Manager to get the current version.
