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Can't move tabs, icons or bookmarks in Firefox

QuietKungFu
QuietKungFu
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Starting just in the last week (I think since the update to 42), I am unable to use the mouse to move tabs. The Ctrl+Shft+PageUp/Down still moves the tabs, but click and holding on them with the mouse will not let me move them. On top of that, I can not rearrange icons in customize, and when using a bookmark sidebar, I am unable to arrange the bookmarks. I tried disabling all extensions, themes, and even tried creating and using a new Firefox profile. I still had the problem with a vanilla profile. I can drag and drop in Windows as normal, just not in Firefox. Along with this, in Thunderbird, starting at the same time, I am unable to drag and drop emails between folders. All other browsers work just fine. I even tried turning off Malwarebytes and Norton, but it still doesn't work. Using fully updated Windows 10 64bit. Could use any help or suggestions.

Starting just in the last week (I think since the update to 42), I am unable to use the mouse to move tabs. The Ctrl+Shft+PageUp/Down still moves the tabs, but click and holding on them with the mouse will not let me move them. On top of that, I can not rearrange icons in customize, and when using a bookmark sidebar, I am unable to arrange the bookmarks. I tried disabling all extensions, themes, and even tried creating and using a new Firefox profile. I still had the problem with a vanilla profile. I can drag and drop in Windows as normal, just not in Firefox. Along with this, in Thunderbird, starting at the same time, I am unable to drag and drop emails between folders. All other browsers work just fine. I even tried turning off Malwarebytes and Norton, but it still doesn't work. Using fully updated Windows 10 64bit. Could use any help or suggestions.

All Replies (2)

cor-el
cor-el
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  • Top 10 Contributor
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Is there a setting in the Windows Control Panel for the mouse to set the drag sensitivity (number of pixels)?

QuietKungFu
QuietKungFu Question owner
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Using regedit I can get to the drag sensitivity setting. Right now it is at the default setting of 4. I can select and drag everything else in Windows and other web browsers, do you think changing it would help in Firefox/Thunderbird?