Code 42 – What is it?

Code 42 Error is referred to as a Device Manager Error code. Before we explain what this code indicates, it is important to understand what ‘Device Manager’ is and its functions.

Device Manager is basically a Windows tool that helps manage devices attached to the system such as the Printer, Scanner and the USB Device. The Device Manager Error code 42 occurs when a duplicate device is detected.

Error Code 42 is displayed in the following format:

“Windows cannot load the device driver for this hardware because there is a duplicate device already running in the system. Code 42”

Solution

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Error Causes

Narrowing down to one particular cause for error code 42 is not virtually possible because it may be triggered due to many underlying reasons. These include:

  • When a bus driver incorrectly generates, and creates 2 identically named devices
  • When a device with a serial number is found in a new location without being removed from its original location
  • Mis-configured drivers

No matter what the reason for this error code,, to avoid inconvenience and to ensure proper hardware performance, it is advisable to fix it right away without any delay.

Further Information and Manual Repair

If you’re not technically sound, code 42 message display can panic you. But don’t worry, the error message sounds complex but it is quite easy to fix.

To resolve code 42 in a few minutes, simply try the methods given below. These methods are easy-to-perform, effective and more importantly require no technical expertise.

Method 1 – Restart Your System

Code 42 can pop up due to some temporary glitch in the Device Manager. By simply restarting your PC, you can resolve this problem.

Therefore, first things first, restart your system. However, in case it doesn’t work out, try other methods.

Method 2 – Launch the Troubleshooting Wizard

Launch the troubleshooting wizard to find the underlying problem and resolve it accordingly. To do this, proceed with the following steps:

  • Go to the start menu
  • Type Device Manager in the search bar and press enter
  • Now click on the ‘General Tab’
  • Then click on ‘Trouble Shoot’ to launch the Troubleshooting Wizard
  • After that follow the instructions in this Wizard to diagnose the problem and resolve it.

Method 3 – Restore Your PC to its Previous State

Another method to fix code 42 is to use the System Restore tool to restore your PC to its previous working state before the error popped up. To do this,

  • Go to the start menu
  • Type System Restore in the search bar and press enter
  • Now click on ‘Restore my computer to an earlier time’ and then click ‘Next’
  • After that select the restore point on the restore point list and confirm settings
  • Restart your PC to activate changes
  • Before restoring your PC to its previous state, create backup. By creating data backup you can avoid data loss issues, which are likely to occur during this process.

Creating backup manually can be time consuming and a painstaking task. The best way to create backup and restore your PC to its normal state is to download Driver Assist.

error code 42

It is a user-friendly device driver management software that helps create data backup automatically, and simultaneously restores your PC back to its normal working state in a few seconds.

This software is compatible with all Window versions including Windows 7, 8, XP and Vista.

Click here to download Driver Assist on your system to resolve error code 42.

For further information you may be interested in these similar issues:

A Guide to Fixing Error Code 39

Patch for Windows Error Code 41

How to Resolve HP Printer Spooler Not Running Error