USB Stick Patriot report error when creating folders, renaming, formatting

Problem: There is "Write protection" error when formatting USB Stick, but there is no slide button for protection on the stick

This web-blog helped:
http://m3rlinez.blogspot.com/2007/01/just-rescued-my-write-protected-usb.html

This program:
AH320 LFormat Utility
successfully formatted stick! It finds usb sticks on its own and with OK button starts formatting.(All folders will be deleted after format!)
http://ap.apacer.com/ap/support/downloads.asp