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cannot open email in outlook web app. cannot re-open firefox because it doesnot completely close. uninstalled and re-installed several times.

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  • Last reply by FredMcD

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I cannot open emails in my university's Outlook Web App. I cannot re-open Firefox after I exit because it doesn't really close down (parts still in Task Manager which I have to end before firefox reopens.). I have downloaded installed and re-installed. I run a desktop with Windows 7 ultimate and a 64-bit machine.

I cannot open emails in my university's Outlook Web App. I cannot re-open Firefox after I exit because it doesn't really close down (parts still in Task Manager which I have to end before firefox reopens.). I have downloaded installed and re-installed. I run a desktop with Windows 7 ultimate and a 64-bit machine.

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Do you have the Firefox icon on your quick launch? Right click on it, and select Open New Window. Sometimes this works. If it opens, close it by Menu > File > Exit.


This is not a cure but will make it easier if Firefox locks up in Windows. https://support.mozilla.org/questions/997866 {web link}


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.