0x8024a105: Windows Update error
TL;DRThis error means Windows Update could not complete because it ran into a problem connecting to or downloading from the update service, often due to a temporary server issue or network hiccup.
Likely causes
- Temporary problem with the Microsoft update serversmost likely
- Internet connection instability or firewall blocking the updatepossible
- Corrupted temporary update files on your computerless likely
How to fix it
Safest first: SafeChanges settingsDangerous
Restart your computer and try the update againSafe
A simple restart clears temporary glitches that can block updates.
Check your internet connection and try again laterSafe
Wait a few hours and retry the update, as server-side issues often resolve on their own.
Pause and resume Windows UpdateChanges settings
Open Settings, go to Update & Security, pause updates for a short time, then unpause and check for updates again.
If that didn't fix it
Windows may continue to miss important security updates, leaving your system more vulnerable over time.
When to see a technician
Consult a technician if the error persists after multiple retries and restarts over several days.