Paste the COMPLETE build information from "Help->About Wireshark", "wireshark -v", or "tshark -v".
http://www.wireshark.org/docs/wsdg_html_chunked/ChSetupWin32.html says:======= 8< ========If your version of the compiler does not have SetEnv.Cmd you may need to use vcvarsall.bat or vcvars32.bat which do much the same thing as SetEnv.cmd. For example, on some 64-bit installations, one would build a 32-bit version by invoking> "C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\vcvars32.bat and one would build a 64-bit version using the command> "C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\Vcvarsall.bat" amd64 Consult your compiler’s documentation to learn which version applies to your installation.======= 8< ========In the latest version of Visual Studio 2010EE (as suggested by the instructions), vcvars32.bat doesn't exist anymore, it is now all vcvarsall.bat and the expected argument is x86.The same page says:======= 8< ========2.2.2. Install CygwinDownload the Cygwin installer and start it.At the "Select Packages" page, you’ll need to select some additional packages which are not installed by default. Navigate to the required Category/Package row and, if the package has a "Skip" item in the "New" column, click on the "Skip" item so it shows a version number for: Archive/unzip Base/dos2unix Devel/bison Devel/flex Devel/git (recommended - see discussion about using Git below) Interpreters/perl Utils/patch (optional) Web/wget======= 8< ========base/dos2unix is in utils, while you need to add interpreters/m4 to the list to get ascend.y converted by bison into ascend.c.The same page has conflicting path names. Generally it talks about c:\development\wireshark, but in the Build Wireshark section and in the Create Wireshark Installer section it still refers to c:\wireshark: Run C:\wireshark\wireshark-gtk2\wireshark.exe and make sure it starts. s Run > C:\wireshark\packaging\nsis\wireshark-win32-wireshark-major-minor-version:[].x-myprotocol123.exe to test your new installer.Further as a general statement please add that if the Visual C++ installation or the SDK or the Service Pack upgrades constantly fail, that
Further as a general statement please add that if the Visual C++ installation or the SDK or the Service Pack upgrades constantly fail, that running it a virgin VM environment will resolve that drama.