srcooke

Any reason to be running v1.28 as v2.03 is current ?

Install the latest vcredist as posted above. Try running PFPX in compatibility mode.

Using notepad can you save a text file to the PMDG and QW flightplans folder?

Are you running PFPX as 'Admin' ?

It is not possible to reinstate direct validation without authority from EuroControl and that appears unlikely with public access. The automatic validation function should however be disabled.

FADN is no longer in use as the airport is replaced by FALE. FADN is no longer contained in AIRAC data.

What warning ?

Post a snapshot with schedule panel and flight to export selected. Post a snapshot of your export settings including primary paths and selected addons.

Great

Right click on the C:\Users\Public\Documents\PFPX Data folder and select properties. De-select 'Read-Only' and apply changes to all sub-folders. Try again.

Can you save a text file to C:\Users\Public\Documents\PFPX Data

Running PFPX as admin?

Are you scheduling these flights or are they single entries now in the past and therefor no longer scheduled.

The aircraft entry contains a link to your aircraft type ( performance ) file so there is no need to delete this, your modified data will be picked up on next load.

The vcredist files are not delivered via windows update. Download both x86 and x64 versions HERE From windows programs & features uninstall any Visual C++ 2015, 2017 & 2015-2019 Redistributables. Reboot the PC Install the two versions downloaded, install and reboot.