Firefox "starts" but browser will not open on desktop

When I click to open Firefox min Windows 7, the program loads, i.e., I can see the window on the Aero Bar, but the browser will not open on my desktop. I have redone my profile and that seems to solve the problem for a while, but then the same problem reoccurs. This happened with four different profiles. When I do get the browser open on the desktop, I find a load of error messages in the error console.
== Two days ago

Hello Joseph.
You may be having a problem with some extension or plugin that is hindering your Firefox's normal behavior. Have you tried disabling all add-ons (just to check), to see if Firefox goes back to normal? [http://support.mozilla.com/en-US/kb/Safe+Mode Safe mode] will do it easy, if you can't hope Firefox.

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It might also be useful to change the setting for the time that scripts are allowed to run.
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Check out this thread: Downloaded Lightroom CC but only get a quick flash of the startup screen then nothing, Lightroom 5 still working.

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Connected to internet, but browser will not open

I have an HP Pavilion 23 All in One. After a power outage, the browser will no longer open, even though I am connected to
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This question was solved.
View Solution.

Hi,
Open a Command Prompt and enter "ipconfig/release" (without quotes)
Then enter ipconfig/renew
Also try ipconfig/flushdns and ipconfig/registerdns
Are you using IE? Set defaults in Internet Options, Advanced tab. (See below).
Shut down cable/DSL modem and router. Unplug both from AC power for a couple of minutes. Reconnect devices to AC power and energize.
Still having an issue? Run the System file Checker. Instructions are here.
Run boot time hardware diagnostics on the patient.
Jaco
****I am not an HP employee****
Please give a" Kudos, Thumbs Up" if advice received is relevant or" Accept as Solution" to assist other forum users having a similar problem.
HP Products:
810-150se Desktop
17t-j000 Notebook
H8 1380t CTO Desktop
560z Desktop
Errare humanum est.

I installed Firefox 4 but it will not open - states Firefox Profile is missing - what to do?

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If this is on a Windows computer, check this Microsoft link;
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Firefox is freezing. When I close Firefox, and try to re-start it, it will not open. I need to access Task Manager, where I find Firefox still running. I close Firefox in Task Manager & can re-start Firefox.

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Sounds like it is hanging when you exit and later try to restart Firefox.
* How to stop the running Firefox process
** In Task Manager, does firefox.exe show in the '''Processes''' tab?
** See: http://kb.mozillazine.org/Kill_application
**Windows 7 users: http://www.techrepublic.com/blog/window-on-windows/reap-the-benefits-of-windows-7s-task-manager/2576
* What may cause Firefox to hang at exit
**Windows 7 Task Manager: http://www.techrepublic.com/blog/window-on-windows/reap-the-benefits-of-windows-7s-task-manager/2576
** http://support.mozilla.com/en-US/kb/Firefox+hangs
** http://kb.mozillazine.org/Firefox_hangs
** https://support.mozilla.com/en-US/kb/Firefox+is+already+running+but+is+not+responding
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** You may need to use '''Safe Mode''' to locate the problem: ***See: http://kb.mozillazine.org/Safe_Mode
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****When entering Safe Mode, do not check any items on the entry window, just click "Continue in Safe Mode".
****Test to see if the problem you are experiencing is corrected.
*** If the problem does not occur in Safe-mode then disable all of your Extensions and Plug-ins and then try to find which is causing it
***#by enabling '''one at a time''' until the problem reappears.
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*** http://support.mozilla.com/en-US/kb/Troubleshooting+extensions+and+themes
*** http://support.mozilla.com/en-US/kb/Troubleshooting+plugins
*** http://support.mozilla.com/en-US/kb/Basic+Troubleshooting
 
 
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*https://support.mozilla.com/kb/Safe+Mode
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And please dumb down any responses, I'm not technologically inclined!

corkyfromhahira wrote:
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That makes no sense, post the exact error message as it is written please.

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See this: 
http://support.mozilla.com/en-US/kb/Backing+up+your+information

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"Clear the Cache": Firefox > Preferences > Advanced > Network > Offline Storage (Cache): "Clear Now"
"Remove the Cookies" from sites causing problems: Firefox > Preferences > Privacy > Cookies: "Show Cookies"
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cactisken
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Local Disk C
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I hope that link points to mozilla.com or mozilla.org
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Firefox "starts" but browser will not open on desktop

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