Hi!
Same problem here (German version of Affinity Photo):
Did you buy the app from the Microsoft Store? --> Yes
What version of Microsoft Store do you have running (found towards the bottom of the Settings page)? --> Version 12011.1001.1.0
What's the version number of c:\windows\system32\RuntimeBroker.exe? --> 10.0.19041.746
Are you running any anti-virus software? If so, what is it? --> Windows Defender
ThomasF. got a reaction from ian1357 in Program shutting down when I attempt to claim 1.9 freebies (four free overlay packs).