Unregistering DLLs
<p><b>Introduction:</b><br />
<p><b>What are DLL files?</b><br />
<p>DLLs are dynamically linked library files. DLL file contains a list of certain functions that can be used by various applications. Spool32.dll is a great example of how the things work: that file is used by various programs for print control within Windows 95 and Windows 98.<br />
<p><b>Why is it important to unregister malicious DLLs?</b><br />
<p>DLLs may contain information essential for a computer to function properly. Malicious programs may corrupt regular DLL files or they may install new DLLs instead of normal ones.<br />
<p>Deleting DLLs is a risky deal since it can affect computers performance and functionality of many applications. If a malicious DLL is somehow used by a regular application and the DLL file is removed, the application won't work normally even if the deleted DLL is not needed for a program to function. This is why you have to unregister DLLs before deleting them.<br />
<p><b>How to unregister malicious DLL files?</b><br />
<p><b>a) Open Command Prompt window</b><br />Click the "<b>Start</b>" button and select "<b>Run</b>" option. Type "<b>cmd</b>" into the "<b>Open</b>" field and click the "<b>OK</b>" button.<br />
<p><b>b) Unregister malicious DLL file<br /></b>Type "<b>regsvr32 /u filename.dll</b>" into the Comand Prompt window and click "<b>Enter</b>". "<b>Filename.dll</b>" should be the name of DLL file you want to unregister<br />
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