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What is QuickLook.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the QuickLook.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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QuickLook.exe file information

The process known as QuickLook belongs to software QuickLook by .

Description: QuickLook.exe is not essential for the Windows OS and causes relatively few problems. QuickLook.exe is located in a subfolder of "C:\Program Files"—usually C:\Program Files\WindowsApps\21090PaddyXu.QuickLook_3.7.3.0_neutral__egxr34yet59cg\Package\. Known file sizes on Windows 10/11/7 are 4,203,520 bytes (62% of all occurrences), 1,108,480 bytes, 4,201,984 bytes or 4,202,496 bytes. file.net/process/quicklook.exe.html 
The PaddyXu QuickLook app is a valid Windows Store app (https://www.microsoft.com/store/apps/9NV4BS3L1H4S).
The program is not visible. QuickLook.exe is not a Windows core file. QuickLook.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 46% dangerous.

Uninstalling this variant: If problems with QuickLook come up, you can uninstall the software using the Uninstall a Program function of Windows Control Panel (Windows: Start, Settings, Control Panel, Uninstall a Program).

Recommended: Identify QuickLook.exe related errors

If QuickLook.exe is located in a subfolder of the user's profile folder, the security rating is 62% dangerous. The file size is 4,203,520 bytes (33% of all occurrences), 1,107,456 bytes or 4,202,496 bytes. The QuickLook.exe file is not a Windows system file. The program has no visible window. The application can be removed using the Control Panel's Add\Remove programs applet. The program starts when Windows starts (see Registry key: User Shell Folders). QuickLook.exe is able to record keyboard and mouse inputs.

If QuickLook.exe is located in a subfolder of C:\, the security rating is 50% dangerous. The file size is 4,203,008 bytes. The program has no visible window. It is not a Windows system file. The program starts when Windows starts (see Registry key: User Shell Folders). QuickLook.exe is able to record keyboard and mouse inputs.

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

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Best practices for resolving QuickLook issues

A clean and tidy computer is the key requirement for avoiding problems with QuickLook. 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 executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To get your computer running as fast as it did on day one, you can 8reset your PC. Your personal files will remain intact, but any programs you installed will need to be reinstalled.

To help you analyze the QuickLook.exe 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. A good Bantivirus software detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.



Other processes

QuickLook.exe [all]