How to Install Internet Explorer DLL or OCX


Installing a DLL (Dynamic Link Library) or OCX (Object Linking and Embedding Control Extension) is normally accomplished through an executable installation. However, some add-on applications for Internet Explorer require registration of the DLL and OCX files manually. Installation of these two file types is processed through a DOS command prompt.

  • Download the DLL or OCX file and save them to a directory on your computer. It's important to note where the files are saved, because this path is needed for the registration process.

  • Click the Windows "Start" button and select the "Run" option from the menu. Type "cmd" into the text box and press the "Enter" key. Windows opens a DOS command prompt.

  • Type "regsvr32 <path><filename>.<ext>" into the command prompt and press the "Enter" key. Replace "<path>" with the directory noted from Step1. Replace "<filename>.<ext>" with the name and extension of the Internet Explorer download file.

  • Uninstall the add-on using the same process but using the "-u" switch. The following is the syntax to uninstall an Internet Explorer DLL or OCX file:
    regsvr32 -u <path><filename>

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