Windows Explorer saves Zip password!

So,

---- I open a passworded Zip archive with windows explorer (right-click> open with> Windows Explorer)

---- I enter the password

---- the archive opens all good

---- then I close the Windows Explorer window

---- reopen Explorer, go to the same zip archive and do the same (right-click> open with> Windows Explorer)

*******it opens a passworded zip archive without asking for the password!!!*******

PLEASE HELP!

Windows 8 x64