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Uploading any picture in Firefox glitches out: shows a giberish picture

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  • Seneste svar af mio

mio
mio
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Whenever I try to upload a picture, be it on whatsapp web, or just the firefox account manager (setup profile pic), it completely shows a picture that is... glitchy.

When it happened: 3 months ago, suddenly, do not remember any particular change I did to my firefox installation What I tried:

  • disable all extensions (didnt solve it)
  • restart firefox in safe mode (didnt work)
  • uninstall firefox and reinstall it
  • deleteing / not migrating my old stuff to the new one (didnt work)
Whenever I try to upload a picture, be it on whatsapp web, or just the firefox account manager (setup profile pic), it completely shows a picture that is... glitchy. '''When it happened:''' 3 months ago, suddenly, do not remember any particular change I did to my firefox installation '''What I tried:''' * disable all extensions (didnt solve it) * restart firefox in safe mode (didnt work) * uninstall firefox and reinstall it * deleteing / not migrating my old stuff to the new one (didnt work)
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Oh wow, the solution is easier than I thought and it is my mistake. I have restricted/blocked by default the permission named "Extract Canvas Data". I left it as blocked for now, and what I do is I enable it only for the sites that require it for a time, then disable it after, like this:

  • Go to the website where you want to upload pictures/video
  • Right click on empty space to get "View Page Info"
  • Go to the "Permissions" tab
  • for the setting "Extract Canvas Data" change it to Enable
  • (optional) after uploading media, do the same but Disable
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Alle svar (5)

mio
mio Spørgsmålsstiller
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one of the pictures is depicting the firefox account manager picture updater with the finalized/uploaded picture (the one that is glitched out), the other is the source image i tried to upload

cor-el
cor-el
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  • Top 10 Contributor
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Did you try to boot the computer in Windows Safe Mode with network support to see if that has effect ?

mio
mio Spørgsmålsstiller
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Rebooted in safe mode with network support, it did not help, further suggestions? What I tried in safe mode:

  • upload profile picture to firefox account manager, it resulted in the same giberish picture I attached to the main post.
  • sent a screenshot saved as jpeg on whatsapp web, same gibersih picture
mio
mio Spørgsmålsstiller
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the tried picture and result:

mio
mio Spørgsmålsstiller
more options

Valgt løsning

Oh wow, the solution is easier than I thought and it is my mistake. I have restricted/blocked by default the permission named "Extract Canvas Data". I left it as blocked for now, and what I do is I enable it only for the sites that require it for a time, then disable it after, like this:

  • Go to the website where you want to upload pictures/video
  • Right click on empty space to get "View Page Info"
  • Go to the "Permissions" tab
  • for the setting "Extract Canvas Data" change it to Enable
  • (optional) after uploading media, do the same but Disable