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I installed the update and it's great, but now I have 5 copies of fire fox running in the Task Manager. Is it installed wrong or did I miss a step?

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I installed the update and it's great, but now I have 5 copies of fire fox running in the Task Manager. Is it installed wrong or did I miss a step?

I installed the update and it's great, but now I have 5 copies of fire fox running in the Task Manager. Is it installed wrong or did I miss a step?

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No, that is what it is suppose to be doing. It is using the cores of your Computer Chip, Multiprocessor it is called. Firefox 58 will use the Threads in the CPU to Multi-Thread so things are faster. https://www.howtogeek.com/332449/whats-new-in-firefox-quantum/

Fyi: if do not know : the 3 Dots in the Address Bar is a Menu and you will want to know all about this : https://www.howtogeek.com/333110/how-to-customize-firefox-quantum-and-remove-the-white-space-around-the-title-bar/

If in the Task Manager it seems very heavy using ram or Firefox is slugish, crashing you may want to do this : Go to the Firefox 3 Bar Menu --> Help ? --> Troubleshooting Information Page and take a look in the Accessibility section if accessibility is set to "true" there. if yes, go to the Firefox 3 Bar Menu --> Options --> Privacy & Security panel and under Permissions check the setting to Prevent Accessibility Services from accessing your browser.

No for some not so good news. You have some Video Card Driver Errors for your NVIDIA GeForce GTX 745. ailures: [u'CP+[GFX1-]: (gfxWindowsPlatform) Detected device reset: 1', u'[GFX1-]: [D3D11] failed to get compositor device.', u'[GFX1-]: [D3D11] Failed to init compositor with reason: FEATURE_FAILURE_D3D11_NO_DEVICE', u'[GFX1-]: [D3D11] failed to get compositor device.', u'[GFX1-]: [D3D11] Failed to init compositor with reason: FEATURE_FAILURE_D3D11_NO_DEVICE', u'[GFX1-]: [D3D11] Failed to init compositor with reason: FEATURE_FAILURE_D3D11_NO_DEVICE', u'[GFX1-]: [D3D11] failed to get compositor device.', u'[GFX1-]: [D3D11] Failed to init compositor with reason: FEATURE_FAILURE_D3D11_NO_DEVICE', u'[GFX1-]: [D3D11] failed to get compositor device.', u'[GFX1-]: [D3D11] Failed to init compositor with reason: FEATURE_FAILURE_D3D11_NO_DEVICE', u'[GFX1-]: [D3D11] failed to get compositor device.', u'[GFX1-]: [D3D11] Failed to init compositor with reason: FEATURE_FAILURE_D3D11_NO_DEVICE', u'[GFX1-]: [D3D11] failed to get compositor device.', u'[GFX1-]: [D3D11] Failed to init compositor with reason: FEATURE_FAILURE_D3D11_NO_DEVICE', u'[GFX1-]: [D3D11] failed to get compositor device.', u'[GFX1-]: [D3D11] Failed to init compositor with reason: FEATURE_FAILURE_D3D11_NO_DEVICE']

There are further errors down the page of that stuff. A little wrinkle, is this a OEM card or a Retail Card. 1st you get your Drivers from who ever sold this to you and what ever updating software it uses, or you said put this card in. But go for the gusto and : https://www.geforce.com/drivers

It is a must to update the drivers as old and or corrupted drivers cause a wide range of issues in all software. Firefox depends on good drivers to show you the content you want.

Please let us know if this solved your issue or if need further assistance.