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Hovering bookmarks in FF 18.0 uses 100% of 1 core

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  • Last reply by seven73

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After updating to 18.0 noticed lag on hovering bookmarks (as dropdown list). Checked in task manager: hovering bookmarks rises CPU usage to 25%, which is for my core quad exactly 1 core used to 100%. Stopping moving mouse lowering this value to 0%.

After updating to 18.0 noticed lag on hovering bookmarks (as dropdown list). Checked in task manager: hovering bookmarks rises CPU usage to 25%, which is for my core quad exactly 1 core used to 100%. Stopping moving mouse lowering this value to 0%.

Chosen solution

Try to disable hardware acceleration in Firefox.

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Chosen Solution

Try to disable hardware acceleration in Firefox.

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No idea what causes this, but I will make a few suggestions to narrow his down.

It would be worth trying working offline, you would then be able to safely disable any security related software.

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Disabling hardware acceleration (and restarting Firefox after that) helped.