I've tried this in WP 2.8 and 2.8.3
I have a feeling this is a problem with my host: 1and1, but was hoping someone else could help me with this little problem.
When I click on "activate" to activate this plugin ([TDO Mini Forms]), I get a 500 Server Error.
Error 500 - Internal server error
An internal server error has occured!
Please try again later.
I can activate and deactivate other plugins without a problem.
Thanks for your time.