I understand that Internet keeps disconnecting automatically on your PC. I will certainly try my best to assist you with the issue.
Meanwhile, I would suggest you to follow the steps mentioned below and see if that helps.
Method 1: Troubleshoot network problems
Try troubleshooting connectivity issues in Windows by referring to the article https://support.microsoft.com/en-us/help/10741/windows-fix-network-connection-issues
Method 2: Check Power Management settings
Check if the Power Management settings for the WIFI adapter is configured correctly.
Press Windows key + R. This will open Run. Alternatively, you can go to Start and search for Run.
In Run dialog box, type devmgmt.msc and hit Enter.
Expand Network Adapters
Right click on the Network Adapter and click on Properties.
Now select the Power Management tab
Uncheck the box next to Allow the computer to turn off this device to save power
Click on OK
https://answers.microsoft.com/en-us/windows/forum/all/constantly-internet-disconnecting-with-error-id/9ea4d42f-2ce5-454b-bdc1-20502856186a
C0E1EDC5-9B33-4911-A3B3-AE69C8115AF6 is the value for NetCfgInstanceId for your adapter you can check this in the registry