Problems with Firefox
I click to open Firefox, and the only thing that happens is the program is running, the icon is displayed in my windows tray, but the window will not open up to full screen. How can this be fixed?
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Sorry to hear that. What version of Windows are you running?
If your version of Windows shows thumbnails above the Taskbar when you hover the mouse pointer, can you see a small thumbnail of your home page?
If there is a thumbnail (or a window title listed above the Firefox button on the Task bar):
Sometimes the Firefox window opens off-screen. If you have a multiple monitor setup, make sure both monitors are on. Other users have reported that sometimes Firefox behaves strangely when the second monitor is off.
In all other cases: You often can force the Firefox window to appear on the screen by right-clicking the little thumbnail image above the Taskbar and choosing Maximize. Does that work?
One possible cause for this is that the file which stores window sizes and positions has become corrupted.
Method #1: If you can get a maximized window:
Open your current Firefox settings (AKA Firefox profile) folder using either
- "3-bar" menu button > "?" button > Troubleshooting Information
- (menu bar) Help > Troubleshooting Information
- type or paste about:support in the address bar and press Enter
In the first table on the page, click the "Show Folder" button. This should launch a new window listing various files and folders in Windows Explorer.
Leaving that window open, switch back to Firefox and Exit, either:
- "3-bar" menu button > "power" button
- (menu bar) File > Exit
Pause while Firefox finishes its cleanup, then rename xulstore.json to something like xulstore.old. If you see a file named localstore.rdf, rename that one to localstore.old as well.
Start Firefox back up again. Do windows display normally again?
Method #2: If you cannot get a Firefox window at all:
Shut down Firefox by right-clicking the taskbar icon > Close All Windows.
Using the Run dialog (windows key + R) or the Start menu search bar (or in Windows 8 maybe the charms bar search bar?) type or paste the following and press Enter to drill down to the Profiles folder:
%APPDATA%\Mozilla\Firefox\Profiles
Here you may see one folder -- in which case, double-click into that -- or more than one folder -- in which case, double-click into what looks like the most recently updated.
Scroll down and rename xulstore.json to something like xulstore.old. If you see a file named localstore.rdf, rename that one to localstore.old as well.
Start Firefox back up again. Do windows display normally again?
Will move to the desktop forum shortly.
(Just confirming links are ok when posts are moved, they in fact keep same question number and link)
由 John99 於