Hi DiarmuidCorry, I am a Microsoft user like you, trying to assist you in solving this problem together!
According to your description, did it happen a few days ago?
Have you installed any applications or updated your system before this? Or some other operations. If there are any supplements, please reply with detailed information
Based on the current situation, there are the following troubleshooting suggestions. If there are any duplicates, please ignore them
- Network reset
Netsh winsock reset
Netsh int IP reset
Ipconfig/release
Ipconfig/renew
Ipconfig/flushdns
Ipconfig/registerdns
Inetcpl.cpl (press Enter key) (will open the Internet properties interface)
Click on "Advanced" in the "Internet Properties" interface,
Click "Restore Advanced Settings", then click "Reset" (there is no "Reset" button in Windows 11, please ignore this step).
Then find in the selection box above:
Using TLS1.0 → →
Using TLS1.1 → →
Using TLS1.2 → →
Use TLS1.3 (experiment), check these 4 and click OK.
Ncpa.cpl (press Enter) (will open the Network Links panel)
In the Network Link Panel, right-click on the network adapter you want to set ->Properties, and double-click on Internet Protocol Version 4 (TCP/IPv4) in the Network properties window.
Select "Automatically obtain IP address",
Select "Automatically obtain DNS server address",
Click "OK". ◆
- Cancel proxy and VPN services (if any)
- Overlay installation with ISO files
You can try downloading a newer version of the ISO image file from the official website to overwrite the installation. This operation will retain your files and software, only for system repair and update installation
Download Windows 11 at the following link:
https://www.microsoft.com/software-download/win...
Download the ISO image for Windows 11, double-click on Mount, run setupexe, and follow the instructions to complete the download.
Choose to keep personal files and apps
This will not affect your current system configuration and data, but if you decide to take the above action, it is recommended to back up important files.
- Perform clean startup to eliminate third-party software interference
Uninstall all third-party antivirus and system optimization software from the device first
① Press the WIN+R combination key to open the Run dialog box;
② Enter msconfig during runtime;
③ Find "Services", click "Hide All Microsoft Services" in the bottom left corner, and then click "Disable All";
④ Click on the "Enable" tab, then click to open the "Task Manager";
⑤ , disable all options during startup;
⑥ Then click "Restart"
Attention: Restore password login mode before execution (Windows hello may affect)
How to perform clean startup and troubleshoot problematic application services in Windows
https://support.microsoft.com/en-us/topic/how-t...
If it returns to normal, please refer to the above link for guidance to investigate the specific affected applications
The above steps can be repeated for verification and exchange order
I hope the above suggestions can help you! If the issue cannot be resolved, please click "Reply" to provide feedback on relevant information and pictures