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What Is unidrv.dll

unidrv.dll is a non-system dll file used by a third party application so that you cannot find it from the dynamic link library of Windows operating system. Not like other dll files generated by Microsoft such as scrrun.dll , smcyscom.dll , wlanmon.dll , the path of unidrv.dll is not :\Windows\System32\. If you want to find unidrv.dll file on your PC, here are two main ways you can try to use:

1.Windows XP Users - If you cannot find unidrv.dll file, you may want to simply use the file search tool built into Windows XP at Start > Search > For Files or Folders. After that, type in unidrv.dll and Click "Search" button..

image of Windows search funtion

2.If you know what application relates to unidrv.dll, find out the installation folder of the software and then search the unidrv.dll file in it. ( We suggest you do not install applications often in the system disk. Too many applications in it would slow down your PC performance and even freeze the PC system.)

Receive unidrv.dll Errors on Your PC?

There are kinds of unidrv.dll error messages you might receive on your PC. Let us make a list of the common unidrv.dll error messages and screenshot for you as below:

unidrv.dll not found error

The application has failed to start because unidrv.dll was not found. Re-installing the application may fix this problem".

This application has failed to start because unidrv.dll was not found. Re-installing the application may fix this problem

Error loading C:\Users\Admin1\AppData\Local\unidrv.dll The specifide module could not be found

Why Does unidrv.dll Error Appear?

There are several causes of the unidrv.dll error and in order to fix the problem, you need to resolve the causes of it first.

  1. You delete unidrv.dll mistakenly so that it can not be found on your PC.
  2. In the installation procession of unidrv.dll related application, unidrv.dll and its components were not installed successfully.
  3. Your PC was attacked by spyware, virus and Trojan. unidrv.dll was ruined and damaged.
  4. There are some Windows registry errors on your PC. unidrv.dll can not work properly.
  5. unidrv.dll was overwritten by other version which was not support the application.

unidrv.dll Information:

File Vendor: Microsoft Corporation
File Name: unidrv.dll
File Description: Unidrv Printer Driver
Hash (MD5): c40142e85b66dc9cb40d23f3f0c3a872
Similar File Errors: dexplmui.dll | url.dll | vgapnp.sys | mscortim.dll | agcgauge.ax |

Potential Problems if You Leave unidrv.dll Error on Your PC

How to Fix unidrv.dll Error?


  1. If you just delete unidrv.dll accidently, try to download this dll file on the Internet. Since unidrv.dll is not a system dll file, you can not find it in any other PC system dll folder. To download this dll file, you should search google or other searching engine by using these keywords: unidrv.dll download, how to download unidrv.dll, free download unidrv.dll This may help you find the right website accurately and quickly. Please make sure the version of it is correct. ( We suggest you only download the specific dll file but not software unless you trust it.)
  2. Copy and paste the unidrv.dll file you download to the folder where you installed the
  3. unidrv.dll related programs previously. Make sure the dll file is located in the right category. Reboot your computer and run this applications. You will find that the dll error message would disappear.

Note:In some cases, you have to re-register unidrv.dll file in order to make it come into effe Have no idea about how to re-register unidrv.dll? Take it easy, please read the following content:

Step 1: Click the Start button, then Run

image of Windows 'Run' function

Step 2: Type in cmd or command. Enter regsvr32 "path and FileName.dll" at the DOS command prompt followed by pressing the Enter key. The path is the actual location of the DLL file or directory on the computer's hard or networked drive. ( If your operating system is 64- bit, please relace regsvr64 to regsvr32)

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type in regsvr32 path and unidrv.dll in the command list.

Step 3: After the DLL has been successfully registered on the computer, a dialogue box will be displayed confirming registration.

DllRegisterServer in unidrv.dllsucceeded.


Uninstall the unidrv.dll related program at first. And then go to the official website of the program download and reinstall it again. Sometimes, if you update the applications, there would be some possibility to lose dll file or other components of it. Or think of the latest installed program, you might have conducted an improper installation which making unidrv.dll files missing or misplacing and it is the reason why unidrv.dll error occurs.

Extra Tips: How To Uninstall the Applications?

For Windows XP Users:

1. Click on the Start Menu button and then click on the Control Panel.

2. Click the Add or Remove Programs.

image of Windows XP Add or Remove Programs

You will see the following Add or Remove Programs window. And in this list please select unidrv.dll related program by left-clicking once on it.

List of programs you installed

Click Change or Remove button then you will see a window pops-up. Click Yesto finish the removal.

content of uninstall confirmation

For Windows 7 / Windows 8 Users:

Windows 8 logo

1.Open the Windows 8 metro screen, click on START and select SEARCH

Windows 8 Search bar

2.Select CONTROL PANEL Under the Apps List.

image of Windows 8 Control Panel

3.Find and click More Settings Under the Control Panel List.

list of Windows 8 control panel

4.Enter the page of program list by clicking the Uninstall a Program

screenshort of Uninstall function in Windows 8

5.Now you can see the list of programs which are installed to your system, to uninstall a program just select it OR right click on where you can select Uninstall to remove it from your PC.

image of the last step to uninstall unidrv.dll related programs

Solution 3:

How to Fix unidrv.dll Error Automatically?

Generally, over 97% of PC errors including dll errors are caused by Windows registry problems. Windows Registry plays a very important role in all Windows operating systems including the latest Windows 8. We sincerely advance that if you are not a PC expert or have little basic general knowledge of computer system, Windows registry, do not edit or delete any registry entries yourself to fix dll errors on purpose. If you want to fix unidrv.dll quickly and safely, we highly recommend you follow these easy THREE steps as below:

Step 1: Free Download Award-Winning PC Error Fix Tool

Step 2: Click Scan Now Button to Diagnose Your PC Health.

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Registry Details of unidrv.dll related Program:

All of the registry entries of the 3-rd party applications will locate here:

registry entries image

If you want to find the program registry entries, here is the list:

HKEY_CLASSES_ROOT\CLSID\{F4F5B989-1ACC-438A-BFC9-DA15FCC49CB4} HKEY_CLASSES_ROOT\picasa HKEY_CLASSES_ROOT\ unidrv.dll related Program \shell HKEY_CLASSES_ROOT\ unidrv.dll related Program \shell\open HKEY_CLASSES_ROOT\ unidrv.dll related Program \shell\open\command HKEY_CLASSES_ROOT\ unidrv.dll related Program.autoplay HKEY_CLASSES_ROOT\ unidrv.dll related Program.autoplay\shell HKEY_CLASSES_ROOT\ unidrv.dll related Program.autoplay\shell\import HKEY_CLASSES_ROOT\ unidrv.dll related Program.autoplay\shell\import\command HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\autoplayhandlers\handlers\ unidrv.dll related Program \importpicturesonarrival HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ unidrv.dll related Program HKEY_CLASSES_ROOT\ unidrv.dll related Program \url protocol HKEY_CLASSES_ROOT\ unidrv.dll related Program.autoplay\defaulticon HKEY_CURRENT_USER\Software\google\ unidrv.dll related Program \ \runtime\apppath HKEY_CURRENT_USER\Software\Microsoft\internet explorer\main\default_search_url HKEY_CURRENT_USER\Software\Microsoft\internet explorer\main\search bar HKEY_CURRENT_USER\Software\Microsoft\internet explorer\main\search page HKEY_CURRENT_USER\Software\Microsoft\internet explorer\search\default_search_url HKEY_CURRENT_USER\Software\Microsoft\internet explorer\search\searchassistant HKEY_CURRENT_USER\Software\Microsoft\internet explorer\searchurl\provider HKEY_CURRENT_USER\Software\Microsoft\search assistant\defaultsearchurl HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\explorer\autoplayhandlers\eventhandlersdefaultselection\showpicturesonarrival HKEY_LOCAL_MACHINE\Software\Microsoft\internet explorer\version vector\ unidrv.dll related Program HKEY_LOCAL_MACHINE\Software\Microsoft\Windows nt\CurrentVersion\prefetcher\lasttracefailure HKEY_LOCAL_MACHINE\Software\Microsoft\Windows nt\CurrentVersion\prefetcher\tracesprocessed HKEY_LOCAL_MACHINE\Software\Microsoft\Windows nt\CurrentVersion\prefetcher\tracessuccessful HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\autoplayhandlers\handlers\ unidrv.dll related Program importpicturesonarrival\action HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\autoplayhandlers\handlers\ unidrv.dll related Program importpicturesonarrival\defaulticon HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\autoplayhandlers\handlers\ unidrv.dll related Program importpicturesonarrival\invokeprogid HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\autoplayhandlers\handlers\ unidrv.dll related Program importpicturesonarrival\invokeverb HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\autoplayhandlers\handlers\ unidrv.dll related Program importpicturesonarrival\provider HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ unidrv.dll related Program \DisplayName HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ unidrv.dll related Program \DisplayVersion HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ unidrv.dll related Program \HelpLink HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ unidrv.dll related Program \InstallLocation HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ unidrv.dll related Program \Publisher HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ unidrv.dll related Program \UninstallString

Comments on How to Fix unidrv.dll Error

unidrv.dll Related DLL Files:

DLL Files Lab

Over 97% of PC errors such as dll error, exe error, blue screen error, access denied error are caused by Windows registry problems. Free scan your registry is the fisrt step to avoid or fix PC Windows errors.

User Testimonials

Hey guys, thank you for the error cleaner you recommend! It did fix my unidrv.dll error. I don't need to ask the PC experts any more! ----------------- Mattew

I uninstalled the program which I thought would cause the unidrv.dll error but it didn't help. Finally, I found your site and used the cleaner to fix unidrv.dll. Thank goodness, it works! ---------Rebecca Anne Allen

I ran Nod32 on my PC. It reported my system as safe so I thought the unidrv.dll error was not nothing to do with virus or other threats. Your instruction is great that helps me fix unidrv.dll error and speed up my PC now. Thanks so much! -------------David. Lee

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