Some anti-malware programs classify comcastdx.dll as a harmful extension to Internet Explorer: for example Trojan.Generic.17059334 (detected by BitDefender), and Generic PUA CG (PUA) or Generic PUA OG (PUA) (detected by Sophos). Add-ons like this can display ads, slow down your computer and cause various other errors. If you can't remember installing the associated dtx Dynamic Link Library software, it's no surprise. In most cases, this kind of adware is installed on the side when you install a freeware product like a Youtube Downloader or a PDF Converter. In the following selection, you can read more about dtx Dynamic Link Library and how to get rid of it.
The process known as dtx Dynamic Link Library or Comcast Toolbar Link Library or xfin_portal belongs to software dtx Dynamic Link Library or Comcast Toolbar or Visicom Media or XFINITY Toolbar or Comcast Toolbar Link Library by Visicom Media (www.visicommedia.com).
Description: Comcastdx.dll is not essential for the Windows OS and causes relatively few problems. The file comcastdx.dll is located in a subfolder of "C:\Program Files".
Known file sizes on Windows 10/8/7/XP are 87,512 bytes (39% of all occurrences), 113,800 bytes and 5 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 79CEEA4E-C231-4614-9E3B-53B2A02F39B7 or 4b9bcce8-a70b-402a-a7e1-db96831ee26f or 4E7BD74F-2B8D-469E-93BE-BE2DF4D9AE29. The program is not visible. Comcastdx.dll is able to monitor web browsers. Comcastdx.dll is digitally signed. The comcastdx.dll file is not a Windows system file. Therefore the technical security rating is 51% dangerous, however you should also read the user reviews.
Recommended: Identify comcastdx.dll related errors
Important: Some malware camouflages itself as comcastdx.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder, for example Trojan.Generic.17059334 (detected by BitDefender), and Generic PUA CG (PUA) or Generic PUA OG (PUA) (detected by Sophos). Therefore, you should check the comcastdx.dll process on your PC to see if it is a threat. If dtx Dynamic Link Library 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 comcastdx process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the comcastdx.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.