Cisco fixes actively exploited CVE-2026-20045 zero-day enabling unauthenticated RCE in Unified CM and Webex; CISA sets Feb 11, 2026 deadline.

Learn how to clear system data on your Mac to free up storage space, improve performance, and optimize your device in just a few steps.

Highlight the app you want to purge and press select it. On the next screen, you'll see options like Launch Application, Force Stop, Clear Cache, and Clear Data.