how can i removed the error message "write protect’ on my Cruzer edge 8gb.
Have you tried this link?
Hi. If the steps given to you doesn’t help. I’m sorry to say but these are commonly caused by hardware issue. You might need to consider an RMA here.
Dear member of SanDisk Community, welcome.
To understand this problem, see link:
Please back up your data, and contact SanDisk Technical Support who will replace the device, if it’s authentic and within warranty.
SanDisk Technical Support: http://www.sandisk.com/about-sandisk/contact-us/
Regards, Alfred. (Google translated)