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red stripe on the bottom of my browser

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what is this and how do I get rid of this red stripe at the bottom. ver 32.0 windows 7

what is this and how do I get rid of this red stripe at the bottom. ver 32.0 windows 7

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what is this and how do I get rid of this red stripe at the bottom. ver 32.0 windows 7

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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