Pls help me to solve this friends... I'm new 
to this community. Thank you
Do not run any GUI application as a privileged user, ever.
If you want to browse locations that are owned by the admin, use the admin:/// URI.
Start from any location, and use Ctrl+L to turn the path bar into the location entry:
Type admin:///:
You’ll get a system dialog to verify your user’s credentials; then you’ll get an admin window:
You can browse and check files as the administrator user.
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There’s also a nautilus-admin plugin.