Cisco AnyConnect Web Security Not Compatible with Avast Apple Mac

If you attempt to install Avast Antivirus on your Apple Mac computer, you may get the following error message:

Incompatible software detected. The Web Security module of Cisco has been detected, which is not compatible with Avast. To install the Avast product, please uninstall the incompatible module first.

When you click the Close button, the installation will immediately quit.

Follow these instructions to fix this problem:

  1. If you have a direct license with Cisco, you can visit the Cisco Software Download Page and download the AnyConnect Secure Mobility Client. Navigate to the AnyConnect Secure Mobility Client v3.x download page and look for the download called Standalone DMG package for Mac OS X “Intel” platforms.
  2. For many people, you will need to go to your organization or employer software download page and download the version provided.
  3. Follow the installation instructions, and remember not to select the Web Security module (see below). This will configure the software so that Avast can be installed.

These are the installation screens. Click any image for a larger gallery view.

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