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translucent rectangle in top left corner when opening firefox

  • 5 replies
  • 8 have this problem
  • 21 views
  • Last reply by nimnull22

Mike-me
Mike-me
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when first opening Firefox a small translucent rectangle approx 3cm x2cm appears in the top left corner it then immediately disapears

could this be a tracker?

I have googled to no effect disabling Addons then restarting doesn't work, and i cant find out how to disable hardware accelerator. I have completely reinstalled the os I have three on separate partitions I'm using ubuntu11.10 Atm but this happens on all my linux os' I haven't checked windows yet though any advise would be welcome.

when first opening Firefox a small translucent rectangle approx 3cm x2cm appears in the top left corner it then immediately disapears could this be a tracker? I have googled to no effect disabling Addons then restarting doesn't work, and i cant find out how to disable hardware accelerator. I have completely reinstalled the os I have three on separate partitions I'm using ubuntu11.10 Atm but this happens on all my linux os' I haven't checked windows yet though any advise would be welcome.

Chosen solution

Hi.

I also want to join this conversation, because I also see this translucent rectangle then firefox starts. I have Firefox 16.0 on virtual machine and it doesn't exhibit this behaviour. I am sure this is not a bug, but it looks ugly. Firefox is very good browser and should show its main window immediately.

Thanks

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All Replies (5)

user633449
user633449
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The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information. Note: This will cause you to lose any Extensions, Open websites, and some Preferences.

To Reset Firefox do the following:

  1. Go to Firefox > Help > Troubleshooting Information.
  2. Click the "Reset Firefox" button.
  3. Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
  4. Firefox will open with all factory defaults applied.


Further information can be found in the Refresh Firefox - reset add-ons and settings article.

Did this fix your problems? Please report back to us!

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

  • Do NOT click the Reset button on the Safe mode start window or otherwise make changes.

You can also check for problems with the localstore.rdf file.

Mike-me
Mike-me Question owner
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Hi yes 

I have started in safe mode. 
I have formatted and reloaded the entire operating system  
I have reset Firefox 
But still have the  problem
I have Three  partitions with two different versions of Ubuntu 11.10 ...12.04   they all    have the same symptom,  But windows7 doesn't

Modified by Mike-me

nimnull22
nimnull22
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Chosen Solution

Hi.

I also want to join this conversation, because I also see this translucent rectangle then firefox starts. I have Firefox 16.0 on virtual machine and it doesn't exhibit this behaviour. I am sure this is not a bug, but it looks ugly. Firefox is very good browser and should show its main window immediately.

Thanks

nimnull22
nimnull22
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Firefox 19 (Linux x86_64) solved this issue.

Thanks.