How do I get rid of the warning message at the opening of Safari?

[MrFluffums]

I installed the software "Forgetmenot" extension for mac
http://www.macupdate.com/app/mac/25412/forgetmenot

Now, whenever I start safari, Im first not able to access anything to do with the software, and i get this error message.

http://www.cl.ly/001S0p3Z3p2n3M1D032V

How to I get this to go away?

Thanks!

 

[emiljan]

Looks like the program is incompatible with safari. The best thing to do would be to remove the plugin.

 

[MrFluffums]

Looks like the program is incompatible with safari. The best thing to do would be to remove the plugin.

Yeah, and thats part of the problem, because I have no idea how to do that.

 

[MrFluffums]

Yeah, and thats part of the problem, because I have no idea how to do that.

*SOLVED*
After trying to re download it from another site (cnet), It showed a shortcut to a folder entitled "Plugins" and i deleted the plugin from there.
Hope this helps anyone with the same problem!