Nejsi první (ani poslední). Hledání by tě nezabilo.
https://pc.poradna.net/questions/2789505-fleska-nefunguje-disk-chranen-proti-zapisu
https://pc.poradna.net/questions/1049458-usb-disk-je-chranen-proti-zapisu
https://pc.poradna.net/questions/655722-jak-odblokovat-flash-disk-kdyz-je-chranen-proti-zapisu
https://pc.poradna.net/questions/1489788-flash-disk-chranen-proti-zapisu
https://pc.poradna.net/questions/805061-pametova-karta-chranena-proti-zapisu
https://pc.poradna.net/questions/910882-disk-je-chranen-proti-zapisu
https://pc.poradna.net/questions/526981-nejde-zformatovat-usb-flash-disk
https://pc.poradna.net/questions/2697175-problem-s-flash-diskem
https://pc.poradna.net/questions/446565-usb-ochrana-proti-zapisu
atd...