[Bug 34217] New: MS XPSEP GUI installer crashes if dotnet20 installed

http://bugs.winehq.org/show_bug.cgi?id=34217

Bug #: 34217
           Summary: MS XPSEP GUI installer crashes if dotnet20 installed
           Product: Wine
           Version: 1.7.0
          Platform: x86-64
               URL: http://download.microsoft.com/download/2/5/2/2526f55d-
                    32bc-410f-be18-164ba67ae07d/XPSEP%20XP%20and%20Server%
                    202003%2032%20bit.msi
        OS/Version: Linux
            Status: NEW
          Keywords: download, Installer
          Severity: normal
          Priority: P2
         Component: -unknown
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]
            Blocks: 32164, 32166, 32167, 32168
    Classification: Unclassified

Created attachment 45524
  --> http://bugs.winehq.org/attachment.cgi?id=45524
Wine 1.7.0 console output

The Microsoft XML Paper Specification Essentials Pack (XPSEP) GUI installer
fails 100% of the time when dotnet20 is first installed in a clean WINEPREFIX.

err:msi:ITERATE_Actions Execution halted, action L"EPUpdateInstallAction"
returned 1627
err:msi:custom_get_thread_return Invalid Return Code 3

Affects Winetricks in multiple verbs.

Run:
1. winetricks dotnet20
2. Install.