OK, this happens often but the bug might have been fixed in version 1.0.6.
You will have to re-install Firefox.
Before re-installing do this to keep settings:
You will lose bookmarks if you haven't made back-ups but you can keep the extentions and maybe the themes.
Go:
Start > My Computer
Then go:
Tools > Folder Options… > Click the "view" tab
In the list box that appears, make sure "Show Hidden Files and Folders" is selected and then hit Apply and OK.
Now browse to this directory:
C:\Documents and Settings\**Your Windows Account Name**\Application Data\Mozilla\Firefox\Profiles\**Firefox username** or xxxxxxxx.default
Once there, copy the "extensions" folder to your desktop.
Now, download the
Firefox 1.0.6 installer and re-install.
Once the install is finished, make sure Firefox is closed and copy the "extensions" folder from your desktop to:
C:\Documents and Settings\**Your Windows Account Name**\Application Data\Mozilla\Firefox\Profiles\**Firefox username** or xxxxxxxx.default
Now, start Firefox and see if most settings are restored. Again, your bookmarks will be lost. Sorry.
Now to restore the view type of the system files, go:
Start > My Computer
Then go:
Tools > Folder Options… > Click the "view" tab
In the list box that appears, make sure "Do not Show Hidden Files and Folders" is selected and then hit Apply and OK.
You're Done.
