Code 21 - CM_PROB_WILL_BE_REMOVED

This Device Manager error message indicates that the system will remove the device.

Error Code

21

Display Message

"Windows is removing this device. (Code 21)"

"Close this dialog box, and then wait a few seconds. If this problem continues, restart your computer."

Recommended Resolution

Select Restart Computer, which will restart the computer.

Note   This problem code is transitory, and exists only during the attempts to query and then remove a device.