Blank rewards screen on FSX Steam edition after installing DLC

Very frustrating to find my rewards screen is blank. After searching some forums and trying without success to run the Log recover program, I found the answer in a Steam forum:

https://steamcommunity.com/app/314160/discussions/1/627456486410539855/

Just browse to the DLC sub-folder of the FSX folder, e.g. mine is:

D:\Steam\steamapps\common\FSX\DLC

and add an empty sub-folder named "rewards", restart FSX and now the rewards page should be populated thus: