1. Home
  2. Computing & Technology
  3. Antivirus Software

How To How to Unregister a DLL in Windows

By Mary Landesman, About.com

When attempting to manually remove malware, sometimes a DLL will need to be unregistered from the system before it can be deleted. Following are four easy steps to unregister a DLL in Windows.
Difficulty: Easy
Time Required: 1 minute
Here's How:
  1. Click Start
  2. Click Run
  3. Type the following:

    regsvr32 -u "path\filename"

    where path\filename is the exact path and filename of the target DLL.

  4. Click OK
Tips:
  1. Use Windows environment variables to enter long pathnames more efficiently. See: How to Navigate Using Environment Variables
More Antivirus Software How To's
Mary Landesman
Guide since 2000

Mary Landesman
Antivirus Software Guide

Explore Antivirus Software
About.com Special Features

Stay connected and entertained with reviews on tips on the latest HDTVs, cellphones and more. More >

Easy ways to connect two computers for networking purposes. More >

  1. Home
  2. Computing & Technology
  3. Antivirus Software
  4. Security Tips
  5. Virus Repair How-To Guides
  6. How to Unregister a DLL in Windows

©2009 About.com, a part of The New York Times Company.

All rights reserved.