Hi there,
Can you try the below steps and see if they are Helpful
Open Settings, and click/tap on the Network & Internet icon.
Click/tap on Mobile hotspot on the left side, and turn off Share your Internet connection with other devices.
Select Change adapter options.
The Change adapter options will options will open the Network Connections. You will find the network connection to which your computer or tablet/mobile is connected.
Double click on the wireless connection to open the Wi-Fi status. Go to Wireless Properties.
Under Connection tab, find out “Connect automatically when this network is in range“. To disable it, uncheck the option and tap ok.
This has additional troubleshoot options that might be helpful https://support.microsoft.com/en-us/windows/cellular-settings-in-windows-905568ff-7f31-3013-efc7-3f396ac92cd7
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