unidrvui.dll Error Fix Tutorial

Unidrvui.dll is a file used by the “Windows Universal Driver” to help load up a number of vital settings for the printer drivers of your computer. Although this file is used continually by all versions of Windows, it’s commonly causing errors due to the likes of Windows having issues with its settings, options and other files.

What Causes UniDrvui.dll Errors?

These errors are caused by 3 possible issues:

Windows is unable to read the file correctly

Your PC has some problems with its registry database

The software which uses the file is corrupt or damaged

How To Fix Unidrvui.dll Errors

Step 1 – Re-Install Any Software Causing Errors

The first step is to re-install any programs that will be showing the unidrvui.dll errors. It’s often the case that games will be unable to process this file correctly, and thus show the errors you’re experiencing. To fix this, you can follow these steps:

Click onto “Start“

Locate “Control Panel” & click it

Click onto “Add / Remove Programs” (Win XP) or “Uninstall A Program” (Win 7)

Click onto the game that’s causing problems

Click “Remove“

Follow the Uninstall Process

Restart Your PC

Re-Install The Program

This will remove the problematic application from your system, and will make sure that your computer is able to properly process the files that it will need to run. We’ve found that this will work for about 80% of systems with the unidrvui.dll error

Step 2 – Manually Replace UniDRVUI.dll

Manually replacing the USP10.dll file is probably be the best way to repair the error.  You need to obtain a fresh copy of the dll file and register it onto your Windows system.  Follow these steps to resolve the error:

Download unidrvui.dll from the Internet

Save the unidrvui.dll file onto your computer’s hard drive

Browse to c:\Windows\System32

Locate the current unidrvui.dll on your system

Rename the current unidrvui.dll to unidrvuiBACKUP.dll

Copy & paste the new unidrvui.dll into C:\Windows\System32

Click Start > Run (Or search ”run” on Vista & Win7)

Type “cmd” in the box that appears

Type “regsvr32 unidrvui.dll” on the black screen

Press Enter

Step 3 – Clean Out Your PC With A Registry Cleaner

• Download This Registry Cleaner

One of the big causes of unidrvui.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 unidrvui.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.