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Fix Putty Connection Refused Due to Windows Firewall - Free Up Space from a Full Windows Update Cache-Windows Update Error 0x80070643 Troubleshooting

Updated 2026-06-13 13:58:51developer-tools

Fix Putty Connection Refused Due to Windows Firewall - Free Up Space from a Full Windows Update Cache-Windows Update Error 0x80070643 Troubleshooting

Prepare

Execute

Validate

Document

Operational follow-up

Record the exact option, command, or setting that changed the result.
Keep a rollback note if the workflow affects shared files or team settings.

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