Personal Computer Fixes

How To Fix The Unicows.dll Error

The Unicows.dll is a file which belongs to the Microsoft Windows Millennium operating systems program. This particular file is used by Microsoft Layer for Unicode (MSLU), which is a software library for Windows software developers to simplify creating Unicode-aware applications for the Windows operating system.

What Causes The Unicows.dll Error

An error like this would normally be caused by either one of the following:

  • The Unicows.dll file is damaged or corrupt
  • Windows settings have changed
  • Registry keys are damaged

How To Fix The Unicows.dll Error

Step 1 – Manually Replace The Unicows.dll File


The main cause of unicows.dll errors is the fact that unicows.dll might be damaged or corrupted. This problem is generally caused by the way in which your system will be unable to correctly read the files and information linked to this file, as well as having considerable damage to the file itself. To fix this, you can simply replace the file with another from the Internet, as demonstrated here:

  • Download Unicows.dll from the Internet
  • Save the Unicows.dll file onto your computer’s hard drive
  • Browse to c:\Windows\System32
  • Locate the current Unicows.dll on your system
  • Rename the current Unicows.dll to UnicowsBACKUP.dll
  • Copy & paste the new Unicows.dll into C:\Windows\System32
  • Click Start > Run (Or search ”run” on Vista & Win7)
  • Type “cmd” in the box that appears
  • Type “regsvr32 unicows.dll” on the black screen
  • Press Enter

Step 2 – Clean Out The Registry

One of the big causes of Unicows.dll errors is through the “registry” database of your computer. This is a large database which stores vital information & settings for your PC, and is used continually to help Windows to read the files, settings & options that it needs to run. Although the registry is one of the most important parts of every Windows system, it’s continually causing a large number of problems thanks to the way it will often become corrupted and unreadable. This is the cause behind many Unicows.dll errors, and needs to be resolved by using a reliable “registry cleaner” application.

This step is best completed by downloading RegAce System Suite, and letting it clean out any of the problems that your system may have inside.

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