Firefox gets super slow when I highlight text.

The browser is lagging when I try to scroll upwards or downwards. It's even worse if I double click to highlight; only, it freezes for a few seconds. I think it started after the last update.

Start Firefox in Safe Mode to check if one of the extensions (Firefox/tools > Modules > Extensions) or if hardware acceleration is the cause of the problem (switch to the DEFAULT theme: Firefox/tools > Modules > appearance).

  • Do NOT click on the reset button on the startup window Mode without failure.

Tags: Firefox

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