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Fix Windows Defender Error 0x80070643 – Version Mismatch - Windows Security Permissions Issue Troubleshooting-How to Resolve Port Already Allocated in Exchange

Updated 2026-06-14 00:08:07windows-fixes
Fix Windows Defender Error 0x80070643 – Version Mismatch - Windows Security Permissions Issue Troubleshooting-How to Resolve Port Already Allocated in Exchange
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