If you are looking for a reliable way to get SharpDevelop 4.4 in its portable form: GitHub Releases official SharpDevelop GitHub
Most AddIns must be placed manually in the AddIns folder within the portable directory. If you'd like, I can help you: Find the direct download links for the official archives. Troubleshoot compiler errors within SharpDevelop. sharpdevelop 44 portable hot download
Simply copy the extracted folder to your USB drive and launch SharpDevelop.exe . Download SharpDevelop_4.4.1.9729_Source.zip (SharpDevelop) If you are looking for a reliable way to get SharpDevelop 4
SharpDevelop (also known as #develop) is a free, open-source IDE for C#, VB.NET, and F#. It was originally designed as a lightweight alternative to Visual Studio. open-source IDE for C#
Includes support for NUnit and MSUnit right out of the box.