When encountering the problem of "we couldn't connect to the update service Windows", it means that the system cannot connect to the server when trying to update. The solution is as follows: 1. Check whether the network is normal, try to restart the router or switch to a wired connection; 2. Reset the Windows Update component, stop the service, clear the cache folder and restart the service through the administrator command prompt; 3. Change the DNS to 8.8.8.8, 8.8.4.4 or 1.1.1.1, 1.0.0.1; 4. Use the system's own "Windows Update" troubleshooting tool for automatic repair. Following the above steps usually solves the problem.

Encountering the issue "we couldn't connect to the update service Windows" usually means that your system has encountered connection problems when trying to check or install updates. Although this situation is annoying, it can be solved most of the time. Below are some common reasons and corresponding treatment methods.

Check if the network connection is normal

The first thing to confirm is whether your computer can access the Internet normally. The Windows Update Service needs to be connected to the Internet to work properly.

• You can try to open a browser and visit several websites to see if it is smooth.
• If you are using a wireless network, you can try restarting the router or switching to a wired connection.
• If it is under a company or school network, it may be limited by firewall or proxy settings. It is recommended to contact the network administrator to confirm whether there are restrictions on Windows Update.

Reset Windows Update related components

If the network is fine, it may be an exception in the local component of Windows Update. You can try to reset these services manually:

1. Open a command prompt (run as administrator).
2. Enter the following command in turn and press Enter:
   • net stop wuauserv
   • net stop cryptSvc
   • net stop bits
   • net stop msiserver
3. Then delete the two key update cache folders:
   • Delete the contents of the C:\Windows\SoftwareDistribution folder
   • Delete the contents of C:\Windows\System32\catroot2 folder (the relevant services can be stopped before operation)
4. Start the service again:
   • net start wuauserv
   • net start cryptSvc
   • net start bits
   • net start msiserver

After completing it, try to check for updates and you will usually be able to return to normal.

Changing DNS settings can sometimes be helpful

Some users reported that changing DNS to public DNS provided by Google or Cloudflare solved the problem of not connecting to the updated server. You can try:

• Change the DNS address to:
  • Google DNS : 8.8.8.8 and 8.8.4.4
  • Cloudflare DNS : 1.1.1.1 and 1.0.0.1

To modify the method, you can find the TCP/IPv4 protocol in the network adapter settings and manually fill in the new DNS address.

Use the system-owned troubleshooting tool

Windows comes with an update-related troubleshooting tool, which can sometimes automatically detect problems and fix them:

• Open Settings → System → Troubleshooting → Other Troubleshooting
• Find the item "Windows Update" and click "Run"

This tool will automatically scan and try to fix some common update issues.

Basically these commonly used methods. If you have tried it but it is not good, you may want to consider system files corruption or deeper service issues. However, in most cases, the above steps should be able to be done.

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