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Firefox dosnt want to open

isak.lothgren
isak.lothgren
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Hello so i've recently wanted to start using firefox as my browser but every time i try to open firefox the window where its supposed to be appears for a few milliseconds then just dissapears like it never opened before

I am on windows 11 and I am up to date with updates i have updated my gpu aswell

Note: I've reinstalled firefox multiple times at this point and have also fully reset my pc 2 times so far to no avail I am also using normal windows defender and nothing changes when i try to turn it off for example its still broken. My firefox does open when i run windows in safe mode but it stop working when i switch back to a normal windows profile I cant even run firefox in troubleshoot mode because that window to open it in troubleshoot mode dissapears after a few milliseconds aswell any help would be appreciated ive looked at numerous pages about troubleshooting firefox and it just hasnt helped at all.

Hello so i've recently wanted to start using firefox as my browser but every time i try to open firefox the window where its supposed to be appears for a few milliseconds then just dissapears like it never opened before I am on windows 11 and I am up to date with updates i have updated my gpu aswell Note: I've reinstalled firefox multiple times at this point and have also fully reset my pc 2 times so far to no avail I am also using normal windows defender and nothing changes when i try to turn it off for example its still broken. My firefox does open when i run windows in safe mode but it stop working when i switch back to a normal windows profile I cant even run firefox in troubleshoot mode because that window to open it in troubleshoot mode dissapears after a few milliseconds aswell any help would be appreciated ive looked at numerous pages about troubleshooting firefox and it just hasnt helped at all.

All Replies (3)

cor-el
cor-el
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  • Top 10 Contributor
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You can check for issues caused by a corrupted or incomplete Visual C++ installation that is missing runtime components (Redistributable Packages) required by Firefox, especially VCRUNTIME140_1.dll.

See "Visual Studio 2015, 2017, 2019, and 2022":

You may also have to install the Visual Studio 2013 Redistributable Package. You need to reboot the computer.

isak.lothgren
isak.lothgren Question owner
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cor-el said
You can check for issues caused by a corrupted or incomplete Visual C++ installation that is missing runtime components (Redistributable Packages) required by Firefox, especially VCRUNTIME140_1.dll. See "Visual Studio 2015, 2017, 2019, and 2022": You may also have to install the Visual Studio 2013 Redistributable Package. You need to reboot the computer.

Hello I am sorry to say that this did indeed not fix the issue im having

isak.lothgren
isak.lothgren Question owner
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cor-el said
You can check for issues caused by a corrupted or incomplete Visual C++ installation that is missing runtime components (Redistributable Packages) required by Firefox, especially VCRUNTIME140_1.dll. See "Visual Studio 2015, 2017, 2019, and 2022": You may also have to install the Visual Studio 2013 Redistributable Package. You need to reboot the computer.

Im now even more confused as firefox works perfectly when i launch my windows 11 in safe mode but i do not have internet as i do not have ethernet connected to my pc so i cannot do anything whilst in safe mode