Please provide more details of the problem(s).

Is this with files in Windows Explorer (file manager) or on the desktop or with icons in Firefox (bookmarks)? You can check for issues with the Windows icon cache. Try to rebuild the icon cache (IconCache.db). # Open the Task Manager (Shift+Ctrl+ESC) # In the Process tab, right-click on the Explorer.exe process and select End Process. # Open the file picker via "File > New Task (Run)" and click the Browse button. # Type or Paste %USERPROFILE%\AppData\Local (%LocalAppData%) in the File name field (AppData is a hidden folder). # Select the IconCache.db file and use "Delete" in the right-click context menu to delete the file. # After the IconCache.db file has been deleted, start a new explorer.exe process via "File > New Task" to get the desktop and Taskbar back. The IconCache.db file is a hidden file, so make sure that you can see hidden files. * http://kb.mozillazine.org/Show_hidden_files_and_folders