- What does Windows Update Error 0x800705b4 mean?
- Error 0x800705b4 is a timeout error — Windows Update started a download or installation but it took too long and was cancelled. Common causes include slow internet, an overloaded Microsoft update server, or antivirus scanning slowing the process.
- Is Windows Update Error 0x800705b4 dangerous?
- No. The update simply didn't complete. Your system is fine — just missing that particular update. Run Windows Update again when your connection is stable.
- How do I fix Windows Update Error 0x800705b4?
- Run the Windows Update Troubleshooter (Settings → System → Troubleshoot → Other troubleshooters → Windows Update → Run). If the error recurs, try installing the update manually by searching the Microsoft Update Catalog for the KB number shown.