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Firefox 121.0.1 (64-bit) invalid file format error on youtube upload

  • 9 回覆
  • 0 有這個問題
  • 12 次檢視
  • 最近回覆由 zeroknight

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Hello

Just to report Firefox 121.0.1 (64-bit) unable to upload any video formats on youtube and always having invalid video format error. I'm unable to upload even that videos what was already successfully uploaded some times ago. I using Microsoft Edge now to upload on youtube and it is fine with all my videos. Hope you can fix soon.

Hello Just to report Firefox 121.0.1 (64-bit) unable to upload any video formats on youtube and always having invalid video format error. I'm unable to upload even that videos what was already successfully uploaded some times ago. I using Microsoft Edge now to upload on youtube and it is fine with all my videos. Hope you can fix soon.
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所有回覆 (9)

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Does it still happen in Troubleshoot Mode?

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Yes, in troubleshot mode it is the same issue (

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Does it still happen in a new profile (without signing into sync account)? An easy way to test a new profile is to install Developer Edition and see if it happens there or refresh your existing profile.

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zeroknight said

Does it still happen in a new profile (without signing into sync account)? An easy way to test a new profile is to install Developer Edition and see if it happens there or refresh your existing profile.

Yes, I don't use sing in to Firefox to sync and save data. Uploaded over 40 videos in a past without signing in and without any issues.

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Does it still happen in a new profile or Developer Edition though?

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You appear to be using Dr.Web security software. Did you check for issues caused by this software by booting Windows in Safe Mode with Network support like I suggested above ?

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cor-el said

You appear to be using Dr.Web security software. Did you check for issues caused by this software by booting Windows in Safe Mode with Network support like I suggested above ?

Hi, yes I using Dr Web security space 12 but if it is the reason why it is not affecting/conflicting with MS Edge? Not tried yet because I'm not feeling safe to do networking without antivirus protection.

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You will still be protected by Microsoft Defender when all third-party antivirus software is disabled.