Why is Firefox 4 freezing when I wake my Mac up from sleep?

I just upgraded to FF 4. Every time I wake my Macbook Pro up from sleep mode (from having put it to sleep/closing the lid, with FF still running), FF freezes. This only began happening since I upgraded 2 days ago.
It doesn't crash. Every other program that was running before works just fine, the mouse works, keyboard, etc. But FF appears frozen, won't actually open new URLs (it just sits there after I've typed a new URL or tried to use one of the tabs I had open from before putting it to sleep), and each time I've had to force quit FF and re-open, and then it works fine.
This was not an issue with FF 3.
Any ideas? I looked around for similar questions in the forum but only saw posts about FF crashing, not freezing.

it's not a profile issue. or a concurrent firefox process issue.

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TS4209 When i wake up my iMac from sleep my wifi is disconnected. It also disconnects my iPad, my wives iPad, my iPhone & Sky On Demand which is connected via wifi. To reconnect all devices i have to switch off & then on again wifi on the iMac. Can anyon

When i wake up my iMac from sleep my wifi is disconnected. It also disconnects my iPad, my wives iPad, my iPhone & Sky On Demand which is connected via wifi. To reconnect all devices i have to switch off & then on again wifi on the iMac. Can anyone help?

Had the same issue and finally solved it. After the upgrade to Mavericks our 2 new Macbook Airs stopped connecting automatically to Wifi while the older machines the kids had still worked fine.
Bought a new airport extreme and problem solved. Our Airport Extreme was about 5 years old and was probably not compatible with the new OSX.
BTW this was after trying everything people suggested on this forum and a 4 hour marathon tech support call with Apple where we reinstalled the OSX.
***** to need to spend $200 but glad the problem got solved.
New extreme is also mega fast so its all good.

Freeze when connecting to wifi after waking from sleep

This problem was isolated to my Powerbook when I wanted to connect to a public hotspot (it started with the latest updates). Now, however, after updating my iMac G5 with all the latest updates, it's happening to it at home on my own wireless network.
When I wake my computer, it freezes when trying to reconnect to the wireless network. The only way to get access is to hold the power button down long enough for it to shut down and then upon restart I have a workable computer that can connect to the internet fine.
I've repaired permissions and repaired my disk from the install CD. I've waited up to fifteen minutes to see if the freeze would terminate with some process timing out, but no luck.
The beachball appears when I rollover the airport status in the menu bar (and the volume and clock) but doesn't appear when I rollover other items in the menu bar (quicksilver and norton). However, if I click on anything everything freezes and the beachball "just won't quit."
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Hi bryan. Welcome to the Discussions.
1. You wrote: "When I wake my computer, it freezes when trying to reconnect to the wireless network. "
1.1. How do you know that the problem is specifically related to trying to reconnect to your home WiFi network, as opposed to some other potential cause of a wake-from-sleep freeze?
1.2. Are you using an AirPort base station or third-party base station? If third-party, what specific make and model?2. You wrote: "I've repaired permissions and repaired my disk from the install CD."DId Repair Disk find any errors, even those it may have corrected? If so, did you write them down?
3. You wrote: "The beachball appears when I rollover the airport status in the menu bar (and the volume and clock) but doesn't appear when I rollover other items in the menu bar (quicksilver and norton). However, if I click on anything everything freezes and the beachball "just won't quit.""Could be one of the other menu extras you have installed, i.e. the icons on the right side of the menu bar other than the Spotlight icon. Often menu extras are launched as Startup or Login items. My "Troubleshooting Startup and Login Items" FAQ can help you pin that down if such an item is causing the problem. Note that your AirPort connection won't work in Safe Mode, but it gives you a way of testing if the wake-from-sleep or menu extra freeze is related to a menu extra, especially a third-party menu extra launched as a Startup or Login item.
4. See if your computer's serial number is in the range specified in the "iMac G5 Repair Extension Program for Video and Power Issues" document.
5. As far as general iMac G5 troubleshooting goes:5.1. Rule out potential hardware problems. Run the Apple Hardware Test that came with the computer. Instructions for doing so will be found in the hardcopy manual that accompanied your computer. For additional details, see my "Apple Hardware Test" FAQ.
5.2. Check the diagnostic LEDs, a feature of your iMac G5. See "About the iMac G5 diagnostic LEDs."
5.3. If your iMac G5 will not turn on, see "iMac G5: Troubleshooting when your computer won't turn on."
5.4. See also the iMac Service & Support site.
5.5. Check the iMac G5 Discussions for similar reports from other users.
5.6. As a general check, run the procedure specified in my "Resolving Disk, Permission, and Cache Corruption" FAQ. Perform the steps therein in the order specified. While you've done some of these steps already, it won't hurt to double-check this.
5.7. If the computer is either under warranty or covered by an AppleCare Protection Plan, don't hesitate to take advantage of your warranty and contact AppleCare.Good luck!
Dr. Smoke
Author: Troubleshooting Mac® OS X
Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
I may receive some form of compensation, financial or otherwise, from my recommendation or link.

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Hello hmnshgrwl,
Thanks for using Apple Support Communities.
For more information on this, take a look at:
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/ht3964
The System Management Controller (SMC) is responsible for many low-level functions on Intel-based Macs.
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We're sorry to hear that your Firefox seems to be crashing. Please perform the following steps to give us a crash report ID that helps us find out more about the cause of the crash.
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