.net,gac,windows-update,gacutil
Any assembly should (and in this specific case most likely will) be installed using an installer. From MSDN: How to: Install an Assembly into the Global Assembly Cache: Using Windows Installer. This is the recommended and most common way to add assemblies to the global assembly cache. The installer provides...
ssis,gac,class-library,gacutil,script-component
The problem was that referencing .dll's from GAC can be a little tricky with VS 2008. This is how I solved it. I simply put my dll in a arbitrary local folder and refrenced it in my script component. I also installed the very same library in the gac via...