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Mouseover text box only briefly appears when mousing over a link.

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When I put the cursor over a link to view the mouseover box, the mouseover box will only briefly show up and disappear (a fraction of a second). Reinstalling Firefox didn't help.

When I put the cursor over a link to view the mouseover box, the mouseover box will only briefly show up and disappear (a fraction of a second). Reinstalling Firefox didn't help.

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Try to disable hardware acceleration in Firefox.


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.