A known bug in ASA code 9.12 through 9.14 causes the downloader to fail when SSL session reuse is enabled.
: Mismatched or corrupted .xml preference files can prevent the downloader from resolving necessary domains or configurations. Step-by-Step Troubleshooting Guide 1. Restart Essential Services failed to launch downloader cisco anyconnect 4.10
On macOS Ventura or Sonoma, browsers cannot launch helper applications without explicit permission. A known bug in ASA code 9