[Bug 23380] New: WoW trial fails to install, saying it doesn't have write access to Program Files

http://bugs.winehq.org/show_bug.cgi?id=23380

Summary: WoW trial fails to install, saying it doesn't have
                    write access to Program Files
           Product: Wine
           Version: 1.2-rc5
          Platform: x86
               URL: http://www.worldofwarcraft.com/burningcrusade/trial/
        OS/Version: Linux
            Status: NEW
          Keywords: download, Installer
          Severity: normal
          Priority: P2
         Component: -unknown
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

The installer downloads its files, but when trying to install, fails, saying it
doesn't have write access to C:\Program Files\World of Warcraft Trial.

Screenshot/terminal output attached.