Problem
The installer does not open, stops before completion, reports insufficient access, or Praesidium is missing after installation.
Steps to resolve
- Confirm the installer filename and download source.
- Verify the digital signature and SHA-256 against the Release Record.
- Check that Windows is 64-bit and meets the published minimum version.
- Ensure the system drive has enough free space for the application and, if selected, optional local-AI files.
- Close a running Praesidium instance and other installers.
- Right-click the verified installer and select Run as administrator.
- Restart Windows and retry the current installer once.
Still need help?
Contact Aeternum Support with the installer version, exact Windows message, and the step at which installation stopped. Do not send account passwords or full license keys.