Fix: Error  File [atmgr.exe] – Cisco WebEx
If you attempt to join a Cisco WebEx meeting using a URL link, the meeting launches a loading screen but instead you suddenly receive an error message.
Setup was unsuccessful. Please try again.
Error  File [atmgr.exe]
You must uninstall and re-install the latest Cisco WebEx software for your web browser.
- To uninstall Cisco WebEx for your system, follow these guides here.
- To re-install Cisco WebEx, for Google Chrome – follow this link or for Mozilla Firefox – follow this link.