Coh32.exe is a critical part of Norton Antivirus and Norton Internet Security programs. This executable file is very essential for the smooth functioning of Norton Antivirus. Any error in Coh32.exe file would not only interrupt Norton Antivirus operations but it may also corrupt Windows. By default, this file is stored in Program Files in the Symantec shared coh folder. In case you locate this file somewhere, it could be a virus or Trojan. One of the common signs of Coh32.exe error is the extremely high usage of CPU and slowing down of PC. There are various ways by which you can fix Coh32.exe error. Read further to learn about these various methods. Alternatively you can also consult our Norton Technical Support experts to get a step-by-step guidance on this regard.

Manual Method

The very easy and reliable method that you do manually is by uninstalling the Norton antivirus program and reinstalling it. However some people may consider this method a bit time consuming and there are chances that frequent uninstalling and reinstalling can hamper the performance of the program.


It is one of the best anti-spyware programs available in the market that protects the computer from wide variety of harmful threats such as spyware, Trojans, adware, keyloggers, pop-up generators and hijackers. This slick software scans the system and fixes any issue that comes across it. Xoftspyse will scan if you have Coh32.exe error in your system and would fix it.

PC Health Advisor

You can also choose to use this registry cleaner which will protect your system from all types of registry errors. It eliminates invalid registry errors and improves the performance of the system by defragmenting the system. This advanced registry program would fix Coh32.exe error and would further diagnose your system. In this way, you will be able to fix Coh32.exe error in your system. For any other issue regarding Norton antivirus, call our at toll free Norton Antivirus Support Number 1-800-293-0867 for instant help.

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