Step-By-Step Instruction To Fix Win Error Code 4 This device is not working properly because one of its drivers may be bad, or ...
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If you have been trying to resolve a Windows Error code 4 you are in luck. Our how-to guide will walk you through the steps needed to clean up the problem from your PC.


This error usually occurs as a result of a damaged driver (.inf) file. Another common source of this error code is a corruption in the registry of a computer.


The first thing to look for in response to seeing Windows error code 4 is whether or not your device drivers are up to date. This message will usually occur when attempting to make use of a particular piece of hardware. To update the drivers for a device, simply click on update driver.

If updating the device driver doesn't resolve this issue, try the following:

  • Click Start then Run.
  • Type in “Scanregw.exe” and click OK.
  • This will run a check on your computer's registry.

Another alternative to resolve the Windows error code 4 is to remove the device. Use Device Manager and remove the device, and then go to your Control Panel. Once you are in the Control Panel, click on Add New Hardware. You are simply going to add the device that you just removed. Many times this will resolve any driver related errors that cause this error code.

If you add the device again and the error code persists, you may have to contact the hardware vendor or refer to their help files online. Look for the most current .inf file on their support website or ask a customer service representative to send you the latest version. Installing the updated driver should resolve the issue as long as your earlier registry check came back with no errors reported.

Make note of the location of the new driver when you download it to your PC. You will need to know the path to the file when you repeat the Add New Hardware steps laid out earlier. Point the driver path to the new file to resolve this issue.

To learn more about this error, please check out our Error Analyzer software.

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