Q: when i click on start and open documents, d.loads etc, anything that's on the rite side of the start menu, at the top of the page that's comes up it says "encrypt file", "decrypt file" and "OPEN/CLOSE PSD" What is the OPEN/CLOSE PSD used for?
A: and you have an Acer laptop , and you see this http://www.heffy.com/screenshots/vista.jpg PSD means Personal Secure disk here is an Acer manula of Data security as to why it appears http://websupport.acer.com.tw/et2_tw/upload/info/40/Acer%20eDataSecurity%20Management%20v2.5%20-%20final.pdf