8/14/26 Cisco VPN Fix

Step by step instructions for end users to troubleshoot the 8/14/26 Cisco VPN client issue.
  1. Download the official Microsoft tool for Installing/Uninstalling programs
  2. Run the downloaded .diagcab file (it will work like an .exe)
  3. Click next and click "Uninstalling" when prompted for what type of problem you are having
  4. Select "Cisco Secure Client - AnyConnect VPN" from the list of options. There may be multiple entries, you will need to run the program until all of them are gone from the list.
  5. Click "Yes, try uninstall"
  6. Close the installer after seeing a "Troubleshooting has completed" window
  7. Repeat above steps if necessary

After every entry of Cisco Secure Client is removed from the uninstall list, please try and install Cisco Secure Client from the Webstore.



Keywords:
cisco, vpn 
Doc ID:
163333
Owned by:
Zac W. in Engineering IT
Shared Services
Created:
2026-08-14
Updated:
2026-08-14
Sites:
University of Illinois Engineering IT