I have a Dell Vostro 200 series desktop computer. When I turn on my computer it goes to the welcome screen to select which user account to log into. I click on my username and the welcome screen appears then it loads into the desktop without icons only a (taskbar) at the bottom.

The system will immediaetly show an error message *Windows Explorer has stopped working* only option is to hit 'close program button. Then it brings up problem reports and solutions then it goes directly to a *black screen only displaying a mouse cursor. No taskbar, no icons. All help is greatly appreciated.