Recently several sites have shown certain words highlighted and when the cursor is hovered over them, an advert appears. Is this a Firefox problem and i
On several sites, including the BBC, copy appears with words highlighted. Passing the cursor over them reveals an advert connected to the word. This only seems to have started a couple of weeks ago
Chosen solution
hello, maybe an addon or toolbar is inserting this code into websites - please try if sites load correctly in safemode & if so remove all extensions in firefox > addons > extensions, that you don't have installed intentionally or that might look suspicious (especially toolbars of all sorts). also have a look in the windows control panel / programs section and also uninstall toolbars etc. that are listed there...
Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems
Troubleshoot Firefox issues caused by malware
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Chosen Solution
hello, maybe an addon or toolbar is inserting this code into websites - please try if sites load correctly in safemode & if so remove all extensions in firefox > addons > extensions, that you don't have installed intentionally or that might look suspicious (especially toolbars of all sorts). also have a look in the windows control panel / programs section and also uninstall toolbars etc. that are listed there...
Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems
Modified by philipp
Found a couple of toolbars I didn't recognise in my Firefox add-ons and disabled them. Seems to have solved the problem. Many thnaks