What is dnsq.dll?

Dnsq.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 dnsq.dll is a Windows system file or if it belongs to an application that you can trust.

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Dnsq.dll file information

The process known as DNSQ belongs to software Kaspersky Internet Security or Kaspersky Anti-Virus by Kaspersky Lab (

Description: Dnsq.dll is not essential for the Windows OS and causes relatively few problems. The file dnsq.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 109,072 bytes (66% of all occurrences) or 95,496 bytes. 
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. There is no file information. The program is not visible. It is a Verisign signed file. Dnsq.dll is digitally signed. There is no detailed description of this service. It can change the behavior of other programs or manipulate other programs. The file is not a Windows core file. Therefore the technical security rating is 47% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you are having problems with dnsq.dll, you may also uninstall the software Kaspersky Internet Security or Kaspersky Security Suite CBE using the Uninstall a Program function of Windows Control Panel (Windows: Start, Settings, Control Panel, Uninstall a Program).

Recommended: Identify dnsq.dll related errors

If dnsq.dll is located in the C:\Windows\System32 folder, the security rating is 82% dangerous. The file size is 32,256 bytes. Dnsq.dll is a file with no information about its developer. The program has no visible window. The service has no detailed description. The application starts upon Windows startup (see Registry key: AppInit_DLLs). It can change the behavior of other programs or manipulate other programs. The dnsq.dll file is not a Windows system file.

Important: Some malware camouflages itself as dnsq.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the dnsq.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

C:\Program Files (x86)\Kaspersky Lab\Kaspersky Internet Security 7.0 Kaspersky Internet Security 7 Has Certificate CN = Kaspersky Lab OU = Digital ID Class 3 - Microsoft Software Validation v2 Serial Number: ‎0e 07 e5 d2 50 a7 10 f0 a5 ee d9 c0 28 5e e4 ce Authority Key ID: KeyID=08 f5 51 e8 fb fe 3d 3d 64 36 7c 68 cf 5b 78 a8 df b9 c5 37
  DAN   (further information)

One user is not sure about it.

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Best practices for resolving dnsq issues

A clean and tidy computer is the key requirement for avoiding problems with dnsq. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon 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 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the dnsq.dll process on your computer, the following programs have proven to be helpful: ASecurity 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

dnsq.dll [all]