When you're having issues with Continuum you need to check if the Windows account you are logging on with is part of the Local Administrators Group.
Windows 2008 Server
Permission issues running or installing Continuum 1.9X
Copy the attached file to your Desktop.
Rename the file to be TestUserAdmin.exe (remove the .txt)
Open the Command window (DOS prompt) and run the TestUserAdmin.exe
Right click and do a 'Save As" on this link: Down Load the file here:
The program will indicate if the logged on Windows user is a member of the Local Administrators Group or not.