[Bug 11244] New: Steam's Community page shows error page

http://bugs.winehq.org/show_bug.cgi?id=11244

Summary: Steam's Community page shows error page
           Product: Wine
           Version: 0.9.53.
          Platform: PC
               URL: http://www.steampowered.com
        OS/Version: Linux
            Status: NEW
          Keywords: download, regression
          Severity: normal
          Priority: P2
         Component: -unknown
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

Created an attachment (id=10341)
 --> (http://bugs.winehq.org/attachment.cgi?id=10341)
Error message as displayed from my proxy server

Start Steam, click on "Community" tab. This is a regression between 0.9.52 and
0.9.53.