When I click on the Show Desktop icon on the task bar in Windows XP, instead of showing or refreshing the desktop, I get a dialogue box with File Download - Security warning, asking me if I want to Run or Save the file Show Desktop.scf. If I run Registry Mechanic, it deletes the .SCF file association. In that case clicking on the Show Desktop Icon opens an Windows Explorer window showing the contents of the .SCF file, instead of just running the command. The contents of the Show Desktop.scf file is:
I tried unsuccessfully to do a System Restore back to before this started happening. I also get weird behavior when I click on the Software Updates button in HP Director. A small Notepad window opens displaying the HTML script for the software update.