My usb device was working fine until yesterday when I plugged it in and I kept getting an Unknown device error with the following message: "Windows has stopped this device because it has reported problems. (Code 43)" I have tried using it in several different computers and OS but with the same result. This is a Dane-Elec 4GB USB Flash Drive. Please help!

Did you tried using another usb device?

Call tech support! That's why these people get paid. Sites like this wouldn't need to exist if they did their jobs correctly!

Check that the ports work OK with another device - a printer for instance. They are pretty tolerant things when it comes to connectivity. If no joy there, go into "Device Manager" (I assume we are talking about Windows) and look in "Universal Serial Bus controllers" (at the bottom of the list) and see if there are any conflicts or absence of controllers. If so you could try to get Windows to fix itself by booting up with the Windows disk in a drive and following the onscreen instructions to repair the installation.
Do you use USB for your keyboard or mouse? Do they work? Or a joystick or game controller?
If none of the above help, your motherboard is probably kaput.
You could try a PCI (or PCIe) board with additional USB ports. Not the ones that plug into the internal USB headers (if the M/B is broken they probably won't work either).
That's all I can think of without seeing the PC myself.
After that - build yourself a new PC! Good luck.

This is because you are plugging in a USB 2 device to a standard USB port, or a USB 3 device into a USB 2 port. The computer is just telling you that if you upgrade the hardware, the device will work faster. Its more of an information message than an error. Your device should still function fine.

plz creat a new account

replace your USB cord maybe it is not working..

Can you use a USB card reader? The canon software is great but it best used for using a method called tethering your camera (when you shoot directly from camera to hard drive)

Press and hold the lower volume button and plug it in to the computer simultaneously and keep holding the minus button until a box appears where the message of usb device malfunctioned and click on it. Then follow the instructions and it should be recognized.

have you tried to plug it into another usb por to see if you get the same result, the original port might be in a locked state and may have had problems releasing the usb key.

Did you try reboot your PC?

x-b-m

This works for Windows98

1. Uninstall the Canon camera software.
2. Search for "Canon" in the registry. Delete ALL references associated with Canon camera in the registry. Just uninstalling the software will not work. Do not delete any other references to Canon products (printers, etc).
3. Re-install the Canon camera software.

I've had to do this several times. Works every time.