https://bugs.winehq.org/show_bug.cgi?id=42180
--- Comment #12 from Lectrode electrodexsnet@gmail.com --- Store is working again with latest wine build.
Tested on Manjaro with Arch packages: wine-2.19-1-x86_64.pkg.tar.xz wine-staging-2.19-1-x86_64.pkg.tar.xz wine-staging-nine-2.19-1-x86_64.pkg.tar.xz