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What is the 7-zip.dll component needed for?

Simply stated, a DLL file is an unnamed executable file. It cannot be directly invoked, but it can be called by any executable Windows program.

The 7-zip.dll process is also known as 7-Zip Shell Extension and is a part of 7-Zip 9.25 alpha or, as the case may be, System Migration Assistant. This software is produced by Igor Pavlov (www.7-zip.org). An obsolete or defective version of 7-zip.dll can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about 7-zip.dll 7-Zip Shell Extension

7-zip.dll is not part of Windows, but it is important nonetheless. 7-zip.dll is found in a subdirectory of "C:\Program Files" or sometimes in in a subdirectory of the "My Documents" folder or, as the case may be, in a subdirectory of "C:\Program Files\Public Documents". Frequently occurring are file sizes such as 69,632 bytes (38% of all these files), 55,808 bytes as well as 14 other variants.
This so-called dynamic link library (DLL) contains all the functions that have been transferred to a separate file. These transferred functions are available not only to this particular program, but can also be used by other applications. There is no internal description of the file. The file also can also affect other applications by changing their properties. Such manipulation can cause an application to do things other than what it is intended to do. This 7-zip.dll process does not have a visible window, and does not appear on the taskbar. There is no concrete documentation available for this service. The file is no part of Microsoft Windows. For this reason, 70% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves 7-zip.dll. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about 7-zip?

It's a dll from the compression 7Zip program, It's a more powefull zip, I don't know what that dll do
looks like extension file from 7-Zip
mt
Great tool for unpacking .zip, .rar etc. (further information...)
Kjeld
probably the result of installing the 7-zip file archiver... (further information...)
jodelhobel
Belongs to the Free File Archiver 7Zip. This is for integration in the Kontext-Menu

Summary: 11 users judge 7-zip.dll to be an essential file that should not be touched. One user considers it harmless. However, 2 users consider this to be a suspicious process and would like to get rid of it. For this reason, one user has already deleted 7-zip.dll. source: file.net

How to uninstall 7-Zip 9.25 alpha or System Migration Assistant

7-zip.dll 7-Zip Shell Extension fix

To remove 7-Zip Shell Extension from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. In Windows 8, look for Control Panel.
  2. Click Control Panel.
  3. Click Uninstall a program.
  4. Look for 7-Zip 9.25 alpha or System Migration Assistant in the list of available programs.
  5. Click Uninstall.

How to tell if 7-zip.dll (7-Zip Shell Extension) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of 7-Zip Shell Extension. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for 7-Zip Shell Extension or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or 7-zip.dll is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

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