Are you using the excellent, delicious, succulent PlayOnLinux to play those last few (or perhaps just very old) Windows games on GNU/Linux? Are you using Steam on that? Is the “Store” section just a big black page so you can’t get to those game entries? Fear no more, the people at WINE’s AppDB have pinpointed the problem and it’s easy to solve.
Just add the option
-no-cef-sandbox when you start Steam inside PlayOnLinux. This is what that looks like in the “Configure” section of your Steam virtual drive: