How to Fix Windows Error Code 4021
The windows error code 4021 is generally generated due to errors reported by the driver itself meaning that this error is a software problem or compatibility issues between the hardware installed and the system being used. And it is very common and it is occurs when the operating system and the drivers installed are not companionable with each other. This windows error prompts on your PC screen with some error message in the dialog box. They are:
"Windows has stopped this device because it has reported problems. (Code 4021)"
Above error are appears on your system when windows first boots and will stop various application form running as well as preventing your computer from being able to run as smoothly as it should. And also when you are trying to play or use programs that is graphics intensive or when you are trying to connect a USB device to your computer and you keep getting an error 4021.
After then the operating system and the hardware installed on the system are not able to communicate and the process has to be terminated, and this windows error code common in windows operating system such as windows xp, vista and windows 7 and hardware is damaged.
Unknown device code problem can appear so unexpectedly, or they are due to many causes such as outdated or old device drivers, corrupt or damaged device drivers, wrong entries in registry, virus attacks, malware or spyware infectious, driver is not installed, a previous attempt to update the driver failed, the device is damaged, the device is not plugged in correctly or all the way and driver is missing.
The windows error code 4021 is nearly always caused by driver problems and sometime due to you can bypass the error temporarily such as removing the device from the motherboard and reseating it, restarting your PC and removing the power cord from the power supply. Solution for fixing windows unknown error code 4021 or messages:
Some manual ways to solve or fix this error code are, but this method is only for computer expert users not for novice:
- Uninstall the current driver, through this given steps:
- Open Start and Run and type “sysdm.cpl” in the text box.
- And click Enter.
- Open the "hardware" tab on the system properties dialog box.
- Then press on “device manager”.
- Double press on “device type” and then press on the hard ware device that is reporting error code 4021.
- Go to the “driver” tab and press on “uninstall” button to uninstall the device driver completely.
- Install the new driver on your computer.
- Restart or reboot your computer.
- Whole scan your PC with good antivirus software.
- Try using a different USB ports.
If you are not satisfied with your manual way then you may also use third party Repair Tool or RegCure Pro Software to fix this error code easily (for novice users also). This software is able to fix windows unknown error code 4021 smoothly without any difficulty. It is also able to scan your computer for out of date or missing device drivers. Additionally, it is the best possible driver for your system configuration etc.
One of the best features of this software is it provide auto scan facility. With the help of this features your system will always error free just clicking few button.
Clean Registry Error
This software will help to clean registry error. It scan entire registry file, if any file is damaged then RegCure Pro fix it.
It remove all malware and virus from your pc and repair windows file which is infected by malwares.
This software can quickly defrag the selected drive and improving drive speed and space.