The steps below are designed to target the most common issues that would cause an error like this. They are listed from simplest to most advanced. Complete each one and then try installing Mosaic again.
When a deployment engine processes a package built on a specific date (like May 8, 2023), it evaluates your local app data cache. If a previous extraction attempt left broken fragments behind, the automated installer fails to overwrite them, stalling out entirely. 2. Insufficient Directory Permissions