What is SDShelEx-win32.dll?

The genuine SDShelEx-win32.dll file is a software component of AVG PC TuneUp by AVG Technologies.
“SDShelEx-win32.dll” is a dynamic link library (DLL) file in Windows for AVG PC TuneUp software that is known as SD Shell Extension. It is a 32-bit COM object, similar to SDShelEx-x64.dll that is the 64-bit version. This COM shell extension lets AVG PC TuneUp integrate into Windows Explorer’s user interface (UI), allowing actions such as ‘right click’ options. The file was originally part of TuneUp Utilities by TuneUp Software GmbH. AVG Technologies acquired the company in 2011. AVG started in 1991 as Grisoft with a big focus on PC security software. The company was renamed in 2008 to AVG Technologies. Today, the company provides a wide selection of security software like AVG Antivirus, AVG Internet Security, AVG PC TuneUp, AVG Driver Updater, and lots more.

SDShelEx-win32 stands for SD Shell Extension for win32

SDShelEx-win32.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if SDShelEx-win32.dll is a Windows system file or if it belongs to an application that you can trust.

Click to Run a Free Scan for SDShelEx-win32.dll related errors

SDShelEx-win32.dll file information

The process known as TuneUp Shredder Shell Extension belongs to software TuneUp Utilities (version 2008, 2009, 2012, 2007, 2013) by TuneUp Software GmbH ( or TuneUp Software (

Description: SDShelEx-win32.dll is not essential for the Windows OS and causes relatively few problems. The file SDShelEx-win32.dll is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of C:\ or in a subfolder of the user's "Documents" folder. Known file sizes on Windows 10/8/7/XP are 27,656 bytes (61% of all occurrences), 25,608 bytes and 8 more variants. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The program has no visible window. The SDShelEx-win32.dll file is a Verisign signed file. The file is certified by a trustworthy company. There is no detailed description of this service. It can change the behavior of other programs or manipulate other programs. It is not a Windows system file. The program can be uninstalled in the Control Panel. Therefore the technical security rating is 38% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you run into problems with SDShelEx-win32.dll, you can also uninstall the associated program (Start > Control Panel > Uninstall a Program > TuneUp Utilities 2008 or TuneUp Utilities 2007).

Recommended: Identify SDShelEx-win32.dll related errors

Important: Some malware camouflages itself as SDShelEx-win32.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the SDShelEx-win32.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

teil von tuneup utilities 2007
wird benötigt um die anwendung "shredder" von tuneup utilities 2007 zu benutzen
  namenlos   (further information)
TuneUp Shredder
I finally found in the "system services" a file called TuneupDefrag..etc.... that SDShelEx is related to...ugh
  adolph geier (wichita,kansas)  
i think i dont need it anymore. I've try to remove it but its getting stuck and said that some other file using it.

Summary: Average user rating of SDShelEx-win32.dll: based on 3 votes with 5 user comments. 2 users think SDShelEx-win32.dll is essential for Windows or an installed application. One user thinks it's probably harmless. 2 users don't grade SDShelEx-win32.dll ("not sure about it").

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Best practices for resolving SDShelEx-win32 issues

A clean and tidy computer is the key requirement for avoiding problems with SDShelEx-win32. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the SDShelEx-win32.dll process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

SDShelEx-win32.dll [all]