cannot login to admin panel

I cannot login to admin panel. I get the following error:

“Warning: Cannot modify header information – headers already sent by (output started at /home/classi86/public_html/v8photo.net/wp-content/plugins/font/Font.php:1) in /home/classi86/public_html/v8photo.net/wp-includes/pluggable.php on line 866”

I know this is a pluggin error and I know its due to “Contact Form” by Contact me.

I have read through some of the other topics regarding this type of error and the suggestions either refer to editing the php file in question and eliminating white space or removing the culprit pluggin.

I’m by no means comfortable editing the php file. I can do it but I couldn’t tell you white space from black space. I’m also not sure how to remove the pluggin if I cant access the admin panel.

Any help would be appreciated.

Richard