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Windows 7: Videos are not working in Firefox

07 Jul 2015   #11

Windows 7 Ultimate x64 SP1

Tried Safe Mode with Networking and another user account yet?

A clean startup may help.

My System SpecsSystem Spec
07 Jul 2015   #12

windows 7 ultimate 32 bit

Yes I have, I'm afraid
My System SpecsSystem Spec
07 Jul 2015   #13

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1

Usual solution is:

Backup Firefox Profile. Fully remove Firefox. Run dedicated flash player removal tool and also manually delete all leftovers. Reboot.
Run Ccleaner.

Download Firefox and install. Download latest version of flash player and install.

If videos are now working - restore bookmarks only from FF profile backup. Test video. If it works:

Restore bookmarks and extensions from FF profile backup. Test video.
My System SpecsSystem Spec

07 Jul 2015   #14
Not Myself

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1

More accurately, the usual thing to do at this juncture is to leave Firefox itself alone, and try running it with a new profile, one without anything copied into it from your existing profile. That is because, although it does happen, it is quite rare for the program itself to be faulty, and is much more common for a profile to become corrupt.

Copying things from a corrupt profile into a clean profile will simply cause the new profile to become corrupt. There are methods of doing the copying that can obviate this is it is found that the new profile has solved the existing problem(s), but that comes later, obiously.

Creating a new Firefox profile on Windows - MozillaZine Knowledge Base
My System SpecsSystem Spec
07 Jul 2015   #15

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1

@ Not Myself

If the profile is corrupt then you're correct. It's a good first step. Copying bookmarks will not corrupt a new profile. Copying extension may corrupt a profile if the problem lies with an extension.
My System SpecsSystem Spec
14 Jul 2015   #16

windows 7 ultimate 32 bit
Thank you very much.

Thank you very much, your 374508 is working again.
Thank you.
My System SpecsSystem Spec

 Videos are not working in Firefox

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