zhizhu
Home / office-tools / Fix Windows Update 504 Gateway Timeout Related to Firewall Settings - Resolve Network Error 0x800704cf in PowerShell-How to Remove Stale APT Lock Files in Ubuntu

Fix Windows Update 504 Gateway Timeout Related to Firewall Settings - Resolve Network Error 0x800704cf in PowerShell-How to Remove Stale APT Lock Files in Ubuntu

2026-06-13 16:31:29
Fix Windows Update 504 Gateway Timeout Related to Firewall Settings - Resolve Network Error 0x800704cf in PowerShell-How to Remove Stale APT Lock Files in Ubuntu

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

Next references

How to Fix PowerShell 404 Not Found ErrorFix Windows Security Connection Refused Service Not RunningFix Windows Terminal Error 0x80000003: Corrupted SettingsFix Windows Security Authentication Failed Event ID 4625MySQL Access Denied After Password Reset: FixesFix "ffmpeg command not found" After Homebrew Install