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Firefox 44.0.2 Overlay of 2 firefox icons showing in taskbar. One is a blue screen with all my tabs showing.How do I stop the blue screen?

deltawing12345
deltawing12345
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Windows 8.1. This just started a few hours ago. On the blue screen that shows all my tabs, if I move the cursor over the list of tabs those websites show. How do I get rid of this Firefox icon for the blue screen?

Windows 8.1. This just started a few hours ago. On the blue screen that shows all my tabs, if I move the cursor over the list of tabs those websites show. How do I get rid of this Firefox icon for the blue screen?

Chosen solution

I solved this issue. I think I had clicked on group tabs and my pinned tabs were impossible to delete from group tabs. I then updated Firefox to 45.0.1 but the pinned tabs and all my other tabs were previewing on taskbar. I solved that by changing a setting in options. General-tabs-Show tab previews in the Windows taskbar had been checked. I unchecked it, now I have no overlay and now if I hover over Firefox icon in taskbar I only see the website I am actually on.

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deltawing12345
deltawing12345 Question owner
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Chosen Solution

I solved this issue. I think I had clicked on group tabs and my pinned tabs were impossible to delete from group tabs. I then updated Firefox to 45.0.1 but the pinned tabs and all my other tabs were previewing on taskbar. I solved that by changing a setting in options. General-tabs-Show tab previews in the Windows taskbar had been checked. I unchecked it, now I have no overlay and now if I hover over Firefox icon in taskbar I only see the website I am actually on.