Most antivirus programs identify gencrawler_gc.dll as malware.
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Description: Gencrawler_gc.dll is not essential for Windows and will often cause problems. Gencrawler_gc.dll is located in a subfolder of the user's profile folder or sometimes in a subfolder of "C:\Program Files" or in a subfolder of the user's "Documents" folder.
Known file sizes on Windows 10/8/7/XP are 431,104 bytes (49% of all occurrences), 428,544 bytes or 437,376 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 CA4520F3-AE13-4FB1-A513-58E23991C86D. Gencrawler_gc.dll is a file with no information about its developer. The program is not visible. The gencrawler_gc.dll file is able to monitor web browsers. There is no detailed description of this service. Gencrawler_gc.dll is not a Windows system file. Therefore the technical security rating is 80% dangerous, however you should also read the user reviews.
Recommended: Identify gencrawler_gc.dll related errors
Important: You should check the gencrawler_gc.dll process on your PC to see if it is a threat. If Media Finder 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: Security Task Manager examines the active gencrawler_gc process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the gencrawler_gc.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 cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.