How To Remove DLLs

A DLL (Dynamic Link Library) file is an executable file that allows programs to perform predefined functions so that they may operate in the fashion that they were designed to do. DLL files are not loaded into your system’s memory which saves RAM space. Multiple programs are able to utilize one DLL file. Malicious applications such as browser plugins or browser hijackers are sometimes made up of DLL files that change settings allowing outside attackers access to your system.

Removal of unwanted DLL files is an essential step to remove an infection or spyware parasite. Manual removal of an unwanted DLL file can be performed if the DLL file is unregistered first.

Unregister and Remove Unwanted DLL files manually.

  1. Locate the unwanted DLL file by opening the command prompt window. Click "Start" menu > select "Run" > type in "cmd" > click "OK".

    cmd Command Prompt

  2. Locate the exact unwanted DLL file path [as shown in Figure 1]. Type in "cd" to change the directory and then press the "space" button. Enter the exact path (folder location) to the unwanted DLL file and press "enter".

    Command Prompt Change Directory
    Figure 1.

  3. While in the directory for the unwanted DLL file, type in "regsvr32 /u [name_of_DLL]" and press "enter" [as shown in Figure 2].

    Unregister DLL File
    Figure 2.

A message should appear after successfully unregistering the unwanted DLL file.

If you experience issues after attempting manual removal of an unwanted DLL file, then you may download SpyHunter's spyware scanner to automatically detect the infected file.

5 Comments

  • julia lloyds:

    To unregister dll or ocx file you need to open the cmd prompt from the start menu and then click on run program and type cmd. This will open the command prompt.
    In this write
    regsvr32 /u “path & filename of dll or ocx”

  • Bhanu:

    Instead of following this, just rename the dll file and change the extension.
    Ex: if the name of the file is ansys.dll, rename it to ansys.bak, then restart the system and delete the ansys.bak file wherever it is located in. Thank you.

  • Konstantin:

    @Bhanu Thank you my friend the changing of extension definitely did the trick! 🙂

  • Umar:

    Thanks @Bhanu, your help
    Instead of following this, just rename the dll file and change the extension.
    Ex: if the name of the file is ansys.dll, rename it to ansys.bak, then restart the system and delete the ansys.bak file wherever it is located in. Thank you.

  • Yash:

    I follow above step to remove dll files.
    I run command prompt as administrative
    but issue is that system requires administrative permission
    please help me solve this isseu

    Thank You

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