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Fix PostgreSQL Connection Refused on Port 5432 - Resolve 0x800f081f When Installing Updates Manually-Python venv Activation Not Working on Ubuntu 22.04

Updated 2026-06-13 13:43:01office-tools
Fix PostgreSQL Connection Refused on Port 5432 - Resolve 0x800f081f When Installing Updates Manually-Python venv Activation Not Working on Ubuntu 22.04
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