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What is the scan.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 scan.dll process is also known as BitDefender Threat Scanner or, as the case may be, The Shield Deluxe (Version 2009 ThreatScanner) and is a part of BitDefender Threat Scanner (scan) or, as the case may be, The Shield Deluxe (Version 2009). This software is produced by S.C. BitDefender S.R.L (www.bitdefender.com) or, as the case may be, PCSecurityShield (www.pcsecurityshield.com). An obsolete or defective version of scan.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 scan.dll BitDefender Threat Scanner

scan.dll is not part of Windows, but it is important nonetheless. Scan.dll is found in a subdirectory of "C:\Program Files". Frequently occurring are file sizes such as 327,680 bytes (33% of all these files), 315,392 bytes, 311,296 bytes, 326,224 bytes or, as the case may be, 502,504 bytes.
You can end this service, pause it, or restart it by going to System and Security/Administrative Tools/Services in Control Panel. The service does not run under your user account. This scan program is often not active. The program executes in the background, and can only be terminated using Windows Task Manager. It is no part of Microsoft Windows. Scan.dll is capable of monitor other applications as well as modify other Windows tasks. For this reason, 1% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

A scan.dll file has a 7% certainty of being dangerous if it is found in a subdirectory of "C:\Program Files\Public Documents". In this case, the file size is usually 323,584 bytes (50% of all these files) or, as the case may be, 311,296 bytes. This particular software is usually deactivated. The program executes in the background, and can only be terminated using Windows Task Manager. For this service - unlike Windows' own system services - there is no good description available. This file was developed by a so-called third party provider - and not by Microsoft.

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 scan.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 scan?

The file spreads very slowly and does not often make an appearance. Therefore, feedback from other users is not yet available.

Summary: source: file.net

How to uninstall BitDefender Threat Scanner or The Shield Deluxe

To remove BitDefender Threat Scanner from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. You find it in the lower left corner of the taskbar.
  2. Type the word uninstall.
  3. Click Add or remove programs.
  4. Now locate BitDefender Threat Scanner or The Shield Deluxe in the list of displayed applications.
  5. Click the program, and then click Uninstall.
Remove software in Windows 10
scan.dll BitDefender Threat Scanner fix

How to tell if scan.dll (BitDefender Threat Scanner) 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 BitDefender Threat Scanner. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for BitDefender Threat Scanner 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 scan.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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