Hi there,
There has been a recent update that has been breaking the internet in Hosted networks and it seems this update has affected you. But as you have reset the PC and removed the updates you must not face this issue.
Make a check that it is not any hardware issue with the router or your device. Meanwhile, try to capture the background process that might help in getting the right troubleshooting methods.
Process Monitor is an advanced monitoring tool for Windows that shows real-time file system, Registry, and process/thread activity. You can get the tool from here https:// learn.microsoft.com/en-us/sysinternals/downloads/procmon
System Monitor (Sysmon) is a Windows system service and device driver that, once installed on a system, remains resident across system reboots to monitor and log system activity to the Windows event log. You can get the tool from here https:// learn.microsoft.com/en-us/sysinternals/downloads/sysmon
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