Hi,
I'm experiencing the same issue -
Just now I installed the trial version of Affinity Photo for Windows 10, for the first time.
On the first run I got the error message: "This trial has expired. We hope you enjoyed using Affinity Photo.".
I tried a couple of times more and the application always quits with the same false error.
But this is the first time ever I installed an Affinity software, so the error cannot be right.
I was very excited to hear about a "true alternative to Photoshop", which I really want to migrate from. But the first taste I got of Affinity Photo is bitter.
How do I start the application ?