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After years of using Firefox every since the last update it has become extremely sluggish and often becomes unresponsive while I can open a different browser and complete the same task at normal speed. Does anyone have any insight?

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And trying to work with videos, uploading or downloading, will just lock Firefox right up.

It acts as if I've lost bandwidth or something with the internet connection, as if someone else is uploading something huge, but like I said I can switch over to IE and complete the same task at full speed while Firefox continues to struggle.

And trying to work with videos, uploading or downloading, will just lock Firefox right up. It acts as if I've lost bandwidth or something with the internet connection, as if someone else is uploading something huge, but like I said I can switch over to IE and complete the same task at full speed while Firefox continues to struggle.

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Please perform the standard diagnostic to begin with. See: Troubleshoot and diagnose Firefox problems

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I often have this problem. Mostly starts when I open Firefox, but I've had it become unresponsive when I flip through windows.

Doubt it's my PC that's the problem, if Firefox has issues running with Windows 7 Enterprise 32bit and a i5 processor, then they need to step up their game.

Doubt it's my extensions also, I use Ad block plus and WOT on chrome and it works well enough.

For now, I'll just continue to use chrome until FireFox steps up their game.