DIY Fix DLL Errors

DLL errors occur when there is a problem with a DLL file associated with a particular application. Often this is the result of a missing or corrupt DLL file.

When a program calls upon a DLL file to perform a specific operation and it cannot find the required file, or the file is corrupt, you are likely to receive a DLL error.

What are DLLs?

The dynamic link library on your computer, usually called the DLL, is a collection of program files stored on your computer’s hard drive. These files have the extension DLL, and can’t be opened independently – they function when called upon by a larger program. For the most part, these files load and run without your knowledge, and in a perfect world you don’t even need to know they exist.

What causes DLL errors?

Unfortunately, sometimes a DLL file gets moved or erased, or an entry exists for a file that isn’t actually on your computer. When this happens, you see an error message with the extension ‘.dll’ at the end and your computer may freeze or start working slowly.

How do I fix DLL errors?


Option 1: Program Reinstall

Sometimes a DLL file gets deleted by accident, and the only way to fix the issue is by reinstalling the program associated with the file. You’ll usually know which program is associated with the DLL file, because it will be the program that is either loading or currently open when the DLL error pops up.

To fix the issue:

    1. Navigate to your computer’s Control Panel in the Start Menu.


    1. Choose “Uninstall a Program” from the Programs group.
    2. Click on the program that you need to reinstall, and then click the “Uninstall” link.


    1. Once your program is uninstalled, insert the program disk or download the program again online. The program will reinstall with all of its original files, which should include the DLL file that was causing the error message.You should also consider whether or not you recently uninstalled any programs that included system files and did not reinstall. When you uninstall a program, you will often be prompted to delete the system files attached to it – you should choose “No to All.” If system files have been deleted, leading to a DLL error, you need to reinstall the program and then uninstall it again choosing “No to All.”


Option 2: Running the System Restore Utility

If reinstalling a program doesn’t work, or is not possible because you don’t have the means to install it again from scratch, run the system restore utility. To open this utility:

    1. Go Start Menu > All Programs > Accessories > System Tools > System Restore.
    2. When prompted, choose “Next” from the System Restore window.


    1. Choose the point to which you want the hard drive to be restored from the list of dates provided. If you have an idea of when the DLL file was moved, altered, or deleted, choose a restore point before that date. If you are unsure, choose the earliest date available.


  1. Choose “Next” and then “Finish” to start the system restore. During the process, you will be unable to use any programs on your computer.
  2. Wait for your computer to automatically reboot when the restore is complete.

Option 3: Using a DLL Repair Tool

Another way to seek out the cause of a DLL error on your computer is to run a simple automated scan on your computer. DLL repair tools can isolate and eliminate issues that cause DLL errors to pop up on your device.

DLL errors may stem from a variety of issues, but if they go unresolved they can cause a huge headache when it comes to operating your favorite computer programs. When in doubt, conduct an online search using the specific name of your DLL error, as you may need to delete a specific file or remove a particular virus to get rid of the error.

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