How to uninstall cis completly

Uninstall will not work
CIS removal tool will not work (net help message 3521) (child process has been terminated) Access denied

Any help available

Did you try this guide?
Most Effective Way to Reinstall/Update CIS to Avoid/Fix Problems

That guide refers to a tool that hasn’t been updated since 2013 and goes to v5 only!!!?!!!

Sorry but this is the only and most up-to-date guide we have! This is not my problem, Comodo should release an official uninstaller for these problem.

There is a more recent tool in Most Effective Way to Reinstall/Update CIS to Avoid/Fix Problems :

Those running Windows 8.0 or 8.1 should also download this removal tool [url=;topic=58620.0;attach=106136]this link[/url].

Please use that one.

1.) Disable all comodo services

2.) In safe mode Go to C:\Windows\System32\drivers

add company to your ribbon. Find all Comodo and CMD technology files.

Rename all found file extensions to .x (put an x_ in front to make them easy to find)

3.) Go to C:\Program Files

Rename the Comodo folder

4.) Reboot your pc

5.) Delete all renamed files and folder

6.) Run registry cleaner

Next you probably aren’t able to make a internet connection :confused:

So here we go

7.) go to Device Manager and delete all Network adapters. Make sure to mark the drivers aswell.

8.) reboot Your pc will reinstall all adapters and mission complete

No need to uninstall your network adapter, just uninstall this: