"The storage is write-protected" -You may see this notification when using a USB storage, memory cards etc. You can solve this by doing some simple steps.

Windows XP:

Step:1 Open Start Menu >> Run, type regedit and press Enter, this will open the registry editor.

Step:2 Navigate to the following path: (on the left panel)

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies

Note: If the registry key StorageDevicePolicies key does not exist, you will need to create it

Step:3 Double click the key WriteProtect in the right panel and set the value to 0 in the Value Data Box and press OK button

Step:4 Exit Registry, restart your computer and then again re-connect your USB pen drive on your computer. That is it, done.


Windows 7:

You can do it same way as Window XP. But, Step:1 can be done more easy way.
Just click Start Menu and type regedit and you will find regedit.exe. Click on that and start from the Step:2