This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Firefox incompatible with www.mpix.com photo editing website

  • 2 replies
  • 1 has this problem
  • 9 views
  • Last reply by cor-el

more options

I recommend Firefox to all my clients. A new client wanted to upload photos to the www.mpix.com photo editing website for processing.

For some reason, Firefox does not allow the upload to complete.

It forces her to use Internet Explorer!

Any feedback would be greatly appreciated. Otherwise she is going to move to Internet Explorer as her browser.

Thank you!

I recommend Firefox to all my clients. A new client wanted to upload photos to the www.mpix.com photo editing website for processing. For some reason, Firefox does not allow the upload to complete. It forces her to use Internet Explorer! Any feedback would be greatly appreciated. Otherwise she is going to move to Internet Explorer as her browser. Thank you!

All Replies (2)

more options

Did you get any further information about what's going wrong? For example, does the site object to the format of the image or does it report that it was corrupted, etc.

If the site is generally known to work in Firefox -- I didn't see any indication to the contrary on their Help pages -- these are general suggestions to try when it stops working:

Cache and Cookies: When you have a problem with one particular site, a good "first thing to try" is clearing your Firefox cache and deleting your saved cookies for the site.

(1) Clear Firefox's Cache

See: How to clear the Firefox cache

If you have a large hard drive, this might take a few minutes. If you do not see the number going down on the page, you can reload it using Ctrl+r to check progress.

(2) Remove the site's cookies (save any pending work first). While viewing a page on the site, try either:

  • right-click (on Mac Ctrl+click) a blank area of the page and choose View Page Info > Security > "View Cookies"
  • (menu bar) Tools > Page Info > Security > "View Cookies"
  • click the padlock or "i" icon in the address bar, then the ">" button, then More Information, and finally the "View Cookies" button

In the dialog that opens, the current site should be pre-filled in the search box at the top of the dialog so you can remove that site's cookies individually.

Then try reloading the page. Does that help?

Testing in Firefox's Safe Mode: In Safe Mode, Firefox temporarily deactivates extensions, hardware acceleration, and some other advanced features to help you assess whether these are causing the problem.

If Firefox is not running: Hold down the Shift key when starting Firefox.

If Firefox is running: You can restart Firefox in Safe Mode using either:

  • "3-bar" menu button > "?" button > Restart with Add-ons Disabled
  • Help menu > Restart with Add-ons Disabled

and OK the restart.

Both scenarios: A small dialog should appear. Click "Start in Safe Mode" (not Refresh).

Any improvement? (More info: Diagnose Firefox issues using Troubleshoot Mode)

more options

What security software does this client have?

It is possible that security software (anti-virus, firewall) is causing the problem. Try to disable security software temporarily to see if that makes a difference.