Toolbars disapeer

If this is Word, you may be in Full screen mode. Move the mouse to the top of the screen.
Hit Esc to get back to normal view.

Please be more specific.
Which applications are you talking about?
Do you mean the Shortcut bar?
Which operating system?
What anti-virus program are you using?

Try this:
Cick Start | Run
In Open field type winword.exe /regserver
This will reinstall Microsoft Office 2000.

Try this:
Cick Start | Run
In Open field type winword.exe /regserver
This will reinstall Microsoft Office 2000.