Most antivirus programs identify compatu.dll as malware.
The compatu.dll file is a software component of Trojan:Win32/Boaxxe.I/B.
Compatu.dll has been reported as malware by several malware monitors. Malware is malicious software designed to advertise products and bloat the infected computer. Deleting the file will not solve the problem. Use an advanced anti-virus program to remove the infection.
compatu stands for PAK_Generic.005
The free file information forum can help you find out how to remove it. If you have additional information about this file, please leave a comment or a suggestion for other users.
Description: Compatu.dll is not essential for Windows and will often cause problems. The compatu.dll file is located in the C:\Windows\System32 folder.
Known file sizes on Windows 10/8/7/XP are 122,368 bytes (50% of all occurrences), 117,504 bytes or 98,048 bytes.
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your web browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as part of the browser itself. BHOs are often used by adware and spyware. IDs used by this BHO include 2E6F4191-18F0-48B2-9B94-7B2CD96F933D or D9FC58A1-5569-4F46-B545-4CFFADC81F39 or 4 more variants. The program has no visible window. The compatu.dll file is located in the Windows folder, but it is not a Windows core file. The file is able to change the behavior of, or monitor Internet Explorer. The service has no detailed description. It is not a Windows system file. The application has no file description. Therefore the technical security rating is 87% dangerous, however you should also read the user reviews.
Recommended: Identify compatu.dll related errors
Important: You should check the compatu.dll process on your PC to see if it is a threat. If Alcohol has changed your browser's search engine and start page, you can recover your browser's default settings as follows:Reset default browser settings for Internet-Explorer ▾
The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active compatu process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the compatu.dll on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.
A clean and tidy computer is the key requirement for avoiding PC trouble. 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.