Recent synchronisation issues

Hi

Recently, mainly since 2021.0 installation or shorlty after, we are ofter experiencing issues while we are working on Sage. 

This mainly reocurs when we either submit an invoice or close Sage. Sage Drive Synchronisation pop up is showing and it freezes there. We have to force Sage to close in order to be able to return to it.

This looks to mainly happens between 5h30-6h00 am EST but it also happened at other times.

Anyone experience the same?

Note that it doesn't happen on the other PC that is working on more regular hours.

Thank you