Hello! Sorry to hear about your issue. It appears that there's a conflict between Firefox and FDM. Please try to update both applications to the latest version. If the problem persists, consider reinstalling both programs. Also, check the Firefox crash report for specific issues. Should the issue continue, kindly reach out to our support team through this form: https://www.freedownloadmanager.org/support.htm.

We're truly sorry to hear that you're not satisfied with our extension. Could you kindly send your suggestions or concerns directly to our support team using this form: https://www.freedownloadmanager.org/support.htm? Your input would be instrumental in helping us improve our services. Thanks in advance for your help in this regard.