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Firefox is slow to open even with ad ons and extensions disabled

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  • 최종 답변자: FredMcD

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My Firefox is slow to open. In safe mode however it opens quickly. If I disable all of my extensions and ad ons, Firefox still opens slowly. I am using default appearance theme. I have uninstalled and reinstalled Firefox but there is no difference.

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Did it just start, or has it been this way for a while?

  • 1

It could be the work of one of your add-ons, or even add / mal-ware. Look thru your add-ons list and make sure you know what each one is there for. Also, Windows > Start > Control Panel > Uninstall Programs. Go thru the list and use a web search to check any that you don't know what they are.

  • 2

Clear the Cache
Firefox/Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"


Remove Cookies
Firefox/Tools > Options > Privacy.
Under History, select Firefox will Use Custom Settings.
There is a button on the right side called Show Cookies.

If there is still a problem, Start Firefox in Safe Mode
While you are in safe mode;
Firefox Options > Advanced > General.
Look for and turn off Use Hardware Acceleration.
Poke around safe web sites and see if there is still a problem. Then restart.

  • 3

Sometimes a problem with Firefox may be a result of malware installed on your computer, that you may not be aware of.

You can try these free programs to scan for malware, which work with your existing antivirus software:

Microsoft Security Essentials is a good permanent antivirus for Windows 7/Vista/XP if you don't already have one.

Further information can be found in the Troubleshoot Firefox issues caused by malware article.

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