CodecTweakTool.exe is an executable file that is part of the K-Lite Codec Pack or K-Lite Mega Codec Pack software. This tool is designed to manage and diagnose issues with all the codecs installed on your computer.
The associated software, K-Lite Codec Pack or K-Lite Mega Codec Pack, is a collection of audio and video codecs for Microsoft Windows that enables the operating system and its software to play various audio and video formats generally not supported by the operating system itself. The K-Lite Codec Pack also includes several related tools, including Media Player Classic, Codec Tweak Tool.
It is needed because it helps in diagnosing and solving problems related to audio and video codecs. It can detect and remove broken codecs and filters, generate a detailed list of all installed codecs and filters, enable/disable more than 250 popular codecs and filters (if they are installed), manage preferred source filters, and reset settings.
There is no need to remove CodecTweakTool.exe if you are using the K-Lite Codec Pack or K-Lite Mega Codec Pack and it is functioning properly. If it is causing problems or if you no longer need the K-Lite Codec Pack or K-Lite Mega Codec Pack, you can uninstall it. Like any executable file, it can potentially harm your computer, so you should only run executable files from publishers you trust.
CodecTweakTool.exe process in Windows Task Manager
The process known as Setup/Uninstall or Application belongs to software K-Lite Codec Pack (version 15.0.9 Standard, 10.9.0 Full, 14.1.5 Full, 16.1.2 Standard, 15.0.6 Standard, 14.7.5 Basic, 15.1.6 Full, 16.9.5 Basic, 17.7.0 Basic, 16.3.0 Full, 17.4.1 Full, 15.0.8 Full, 18.8.0 Full, 18.4.8 Standard, ...) or K-Lite Mega Codec Pack or Codec Tweak Tool by unknown.
Description: CodecTweakTool.exe is not essential for the Windows OS and causes relatively few problems. CodecTweakTool.exe is located in a subfolder of "C:\Program Files (x86)" (for instance C:\Program Files (x86)\K-Lite Codec Pack\Tools\).
Known file sizes on Windows 10/11/7 are 2,113,024 bytes (18% of all occurrences), 1,179,648 bytes and 9 more variants.
The program has a visible window. CodecTweakTool.exe is not a Windows core file. Windows Task Scheduler starts this process at a specific time.
CodecTweakTool.exe is able to record keyboard and mouse inputs.
Therefore the technical security rating is 25% dangerous, however you should also read the user reviews.
Uninstalling this variant:
If you have any problems with CodecTweakTool.exe, you can uninstall the software K-Lite Mega Codec Pack or K-Lite Codec Pack 16.0.5 Basic using the Uninstall a Program function of Windows Control Panel (Windows: Start, Settings, Control Panel, Uninstall a Program).
Important: Some malware camouflages itself as CodecTweakTool.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the CodecTweakTool.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.
Score
User Comments
It's from K-Lite Codec Pack.
Summary: Average user rating of CodecTweakTool.exe:
based on 1 vote with 1 user comment.
One user thinks it's probably harmless.
Best practices for resolving CodecTweakTool issues
A clean and tidy computer is the key requirement for avoiding problems with CodecTweakTool. 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 CodecTweakTool.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.
Score
User Comments
Summary: Average user rating of CodecTweakTool.exe: based on 1 vote with 1 user comment. One user thinks it's probably harmless.