I must have upset SharePoint somehow as I can't use the Central Administration to deploy an installed solution. Everything I do returns the wonderful '[SecurityException: Access denied.]' error.
I'm a domain administrator and a member of the local Administrators group. In fact, I went thru every local group on this machine and added my user account. Still no luck.
I AM able to deploy the solution via the SharePoint Management Shell though.
Any idea on how to fix the CA?