ie7 script error on line 3426 using JQuery-2.1.1.js

ie7 script error on line 3426 using JQuery-2.1.1.js

I was under the impression that JQuery would help me run in older browsers but when I bring up my app/page in IE 7.0.6001 on Vista I get a script error at line 3426 (non-minimized).

'Object doesn't support this property or method' trying to call addEventListener apparently.

Suggestions?