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 complete01Reset Windows Update services and folders
- Reset Windows Update services and 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.
02Temporarily disable active antivirus/firewall
- Temporarily disable active antivirus/firewall
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 SFC and DISM verification tools
- Run SFC and DISM verification tools
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.
04Manually download and install the KB update package
- Manually download and install the KB update package
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
- Corrupted Windows Update database registry keys
- Third-party antivirus blocking update directories
- BITS or Windows Update service failure
- Incomplete background update servicing files
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