My file will not sync, it is stuck "syncing".
Yes I tried everything
Fix syncing problems in Dropbox - Dropbox Help
Advanced sync solutions and troubleshooting - Dropbox Help
Windows OS don't know what Dropbox version.
Solution found, problem was my upload speeds were poor in general and not just with Dropbox (general internet speed test will show this, recommend putting this in help). It was caused by a recent update to my ipv6 settings, I had to disable TCP and UDP Checksum Offload for IPv6. I followed steps here: