Pmc.dll is a browser extension for Internet Explorer. This add-on enables several additional functions for Internet Explorer. You can disable it through the Extras menu (key combination Alt + X) under Manage Add-ons. The following paragraph provides more information about Digital Advertising Alliance Protect My Choices.
The process known as Digital Advertising Alliance Protect My Choices (Beta) belongs to software Digital Advertising Alliance Protect My or Protect My Choices by Digital Advertising Alliance.
Description: Pmc.dll is not essential for the Windows OS and causes relatively few problems. Pmc.dll is located in a subfolder of "C:\Program Files".
Known file sizes on Windows 10/8/7/XP are 328,072 bytes (30% of all occurrences), 319,352 bytes and 4 more variants.
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 3DFCDCA1-AEAC-4302-A690-BFB683568BAA. The pmc.dll file is a file with no information about its developer. The program is not visible. It is able to monitor web browsers. The file has a digital signature. It is not a Windows core file. The application can be removed using the Control Panel's Add\Remove programs applet. Therefore the technical security rating is 47% dangerous.
Recommended: Identify pmc.dll related errors
Important: Some malware camouflages itself as pmc.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the pmc.dll process on your PC to see if it is a threat. If Digital Advertising Alliance Protect My Choices 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 pmc process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the pmc.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.