Pin- pointing a problem is always a good start.

1. Do you have any themes, add-ons/extensions? Try using your default Firefox theme, disable all add-ons/extensions, and enter the site again.

2. Is your Firefox browser up to date? You can try checking for updates or download them manually from the site.

3.Does this problem occur on any other sites as well?

4.Have you tried reinstalling Firefox?

1- no themes, add-on/extensions disabled

2 - v35.0.1 the latest

3 - no other sites that I have found but it happens on at least 5 other computers that I am aware of.

4 - no on the re-install as this happens on multiple computers.

Nothing wrong with the site, I just bought something yesterday.

Many site issues can be caused by corrupt cookies or cache.

• Clear the Cache and

• Remove Cookies
  Warning ! ! This will log you out of sites you're logged in to.

Type about:preferences<Enter> in the address bar.

• Cookies; Select Privacy. Under History, select Firefox will Use Custom Settings. Press the button on the right side called Show Cookies. Use the search bar to look for the site. Note; There may be more than one entry. Remove All of them.
• Cache; Select Advanced > Network. Across from Cached Web Content, Press Clear Now.

If there is still a problem, Start Firefox in Safe Mode {web link} While you are in safe mode;

Type about:preferences#advanced<Enter> in the address bar.

Under Advanced, Select General. Look for and turn off Use Hardware Acceleration.

Poke around safe web sites. Are there any problems?

Then restart.

Clear the Cache and Remove Cookies - did not fix prob

Firefox in safe mode did solve the lockup on walmart's website

ok, so what is that telling me? what do I look for next?

That means an add-on or one of your settings is the issue.

Type about:addons<enter> in the address bar to open your Add-ons Manager. Hot key; <Control>(Mac:<Command>)<Shift> A)

In the Add-ons Manager, on the left, select Extensions. Disable a few add-ons, then Restart Firefox.

Some added toolbar and anti-virus add-ons are known to cause Firefox issues. Disable All of them.

If the problem continues, disable some more (restarting FF). Continue until the problem is gone. After, you know what group is causing the issue. Re-enable the last group ONE AT A TIME (restarting FF) until the problem returns.

Once you think you found the problem, disable that and re-enable all the others, then restart again. Let us know who the suspect is detective