Firefox will not open on my computer, even after reinstall. Please help?

I've been using Firefox for a long time and it's been working well. I'm on acer Windows 7. However now it will not open even when I try to run "C:\Program Files\Mozilla Firefox\firefox.exe". Chrome or Internet Explorer work fine. I also reinstalled Firefox and it still doesn't work.
Here's the id of my latest crash (from 30.4.2014): bp-4e981129-aea6-4b23-87a2-739b42140430
Thank you for any help with fixing this.

Create a new profile as a test to check if your current profile is causing the problems.
See "Creating a profile":
*https://support.mozilla.org/kb/profile-manager-create-and-remove-firefox-profiles
*http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Profile_issues
Profile Backup and Restore
*http://kb.mozillazine.org/Profile_backup
*https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

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