Before you begin
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 3 complete01Reset WinHTTP proxy configurations to bypass custom proxies.
- Reset WinHTTP proxy configurations to bypass custom proxies.
What to expect
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.
02Temporarily disable proxy server settings in Windows Network Connections.
- Temporarily disable proxy server settings in Windows Network Connections.
What to expect
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.
03Run Windows Update Troubleshooter to clear network transaction flags.
- Run Windows Update Troubleshooter to clear network transaction flags.
What to expect
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
- Incorrect proxy configuration settings in Windows blocking update requests.
- Third-party firewall or corporate gateway filters blocking Microsoft Update servers.
- Corrupted software distribution directory files.
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