How To Resolve User32.dll Errors

What is user32.dll?

The user32.dll file is associated with Windows User API (Application Programming Interface) program. The file contains Windows API functions, such as user input, window management, and text that allow programs to implement a graphical user interface.

Is it safe to remove user32.dll?

No, do not remove the user32.dll because it is required for proper functioning of various applications as well as your Windows system. If you remove user32.dll, or if this file is damaged, your system and other applications that require user32.dll will not work correctly.

How to resolve user32.dll error

Perform the following steps in the sequence they are given to repair a user32.dll error:

Install the latest Windows update

The user32.dll error that you are encountering may be fixed by installing the latest Windows updates. Perform the following steps to open Windows update:

  1. Click Start, and then click the Run utility.
  2. Type the following command in the Open box and press Enter.
    wupdmgr

You can also access the Windows update to download and install the required updates on your computer.

If you are using a Windows XP, Windows Vista, or Windows 2007 computer, you can enable the Automatic Update feature to automatically install the new Windows updates, as and when they are released.

To enable the Automatic Update feature in Windows XP, perform the following steps:

  1. Click Start, and then click Control Panel.
  2. Double-click System and click the Automatic tab in the System Properties dialog box that opens.
  3. Next, Select the Automatic option and set a schedule from the date and time drop-down lists.
  4. Click Apply and then click the OK button to save your changes and exit the dialog box.

Reinstall any recently installed program, driver, or hardware

If you are experiencing the user32.dll error soon after you have installed a new program, driver, or hardware component; uninstall this new software. After uninstalling the new software, restart your computer and then reinstall it.

When you uninstall a software, ensure that all the files and registry entries related to the program are also removed. You can achieve this by using a reliable third-party uninstaller tool, such as Perfect Uninstaller to uninstall programs and applications.

Also, while reinstalling, ensure the integrity of the installation files, they should be complete, and the media on which these files are located should not be physically damaged.

Restore the user32.dll file

If the error still persists, restore the user32.dll file, using Recovery Console. To restore ther user32.dll file in Windows XP, perform the following steps:

  1. Insert the Windows XP CD in your CD-ROM and reboot your computer from the CD drive.
  2. When the Welcome to Setup screen appears, press the R key to load the Recovery Console.
  3. When prompted, type the Administrator password, and then press Enter.
  4. Next, type the following command at the Command Prompt and press Enter:
    cd %systemroot%\system32
  5. Next, rename the user32.dll file before copying the original user32.dll file from the Windows XP CD. To achieve this, type the following command and press Enter
    ren user32.dll user32.old.dll
  6. Now, type the following command and press Enter to restore the original user32.dll file.
    expand [CD drive letter]:\i386\USER32.DLL systemroot%\system32 /Y
  7. Type exit and press Enter to exit the Recovery Console.
  8. Restart your computer.

Note: [CD drive letter] refer to the drive letter of your CD-ROM drive.

Perform a System Restore

If you receive the user32.dll error after rebooting, restore your system to a date prior to the time when error started appearing.

Perform a malware scan

If the user32.dll error still appears, chances are that the error is being caused by some type of malware infection. Often, DLL errors, such as the user32.dll error are result of a malware infection. Scan your entire computer using advanced security tools, such as STOPzilla Antivirus and Spyware Cease.

Also, perform a registry scan. A damaged or corrupt registry may also cause recurring user32.dll errors. To clean your registry, use a reliable registry cleaner tool, such as RegServe. It is a powerful, yet easy to use tool that allows you to perform custom registry scans to identify and fix DLL errors, such as the user32.dll error.