For anyone who is having trouble finding Relevant Knowledge and deleting it this is what you have to do:
1. Go to My Computer
2. At the top you should see Uninstall or change a program click on it
3. Scroll down until you find Relevant Knowledge
4. Double click on Relevant Knowledge (or right click and select Uninstall/Change)
5. Wait for your computer to delete the program
6. Run Technic Launcher
It should work now.