If you run into this issue there’s a simple fix to re-initiate the connection to Windows 10 if for any reason you’ve had to reinstall the Your Phone Companion app on your phone or had to reinstall the Your Phone app on Windows 10
If your phone indicates it’s “Reconnecting to PC” but never connects the below instructions should fix this issue
Go into Settings – Apps – Your Phone Companion
Select the Storage option then click on Clear Data
Launch the Your Phone Companion app once more and it should now be able to connect to your Windows 10 PC again
The above instructions may differ depending on phones manufacturer