Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.
Work through these checks
0 of 4 complete01Disable proxy server settings in Internet Options
- Disable proxy server settings in Internet Options
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
02Run the Windows Update Troubleshooter utility
- Run the Windows Update Troubleshooter utility
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
03Clear Windows Update cache folders
- Clear Windows Update cache folders
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
04Temporarily disable active VPN and retry download
- Temporarily disable active VPN and retry download
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
Possible causes
- Misconfigured internet proxy server or gateway settings
- Corrupted local Windows Update cache database
- Temporary Microsoft Update server-side outage
- VPN configuration blocking HTTP headers
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