====== Rhino does not run due to .NET 4 Error ====== After installing the .NET Framework 4, programs, like Rhino that require it, still do not believe it is installed and refuse to run. ==== This happens after installing:==== * Microsoft .NET Framework 4 (Full) * Microsoft .NET Framework 4 Client Profile Both report the .NET Framework 4 installation was successful and it appears in the list of installed programs in Control Panel. ==== You may have tried:==== Rebooted and Reinstalled but nothing has worked. ==== Solution==== - **Log in as the Administrator on the computer with FULL ADMINISTRATOR RIGHTS. Individuals may have some administrator rights. However, it is not the same.** - Use the clean-up procedure detailed in the [[http://blogs.msdn.com/b/astebner/archive/2008/08/28/8904493.aspx|.NET Framework Cleanup Tool User's Guide]]. - After clean-up, install the [[http://www.microsoft.com/download/en/details.aspx?id=17851|Microsoft .NET Framework 4]] and .NET [[http://wiki.mcneel.com/zoo/zoodotnet|Framework 4.5]] for Zoo 6. The Microsoft .NET Framework 4/4.5 web installer package downloads and installs the .NET Framework components required to run on the target machine architecture and OS. An Internet connection is required during the installation. .NET **Framework 4** is required to run and develop applications to target the **.NET Framework 4** for Zoo 5 and .NET **Framework 4.5** for Zoo 6. This version of the .NET Framework runs side-by-side with the .NET Framework 3.5 and earlier versions, but performs an in-place update for the .NET Framework 4. ==== Test ==== Copy this into Internet Explorer and it will report back the version of .NET.

Or see: [[http://support.microsoft.com/kb/318785/en-us|How to determine which versions and service pack levels of the Microsoft .NET Framework are installed]].