Did you try to search for the answer? It's hard to be sure based on what your description. This came up in a quick search. It looks like a know issue.
You can turn sync on in Chrome to get your info on all your devices. If sync stops working or pauses, try these fixes. Resume sync If you signed out of a Google service, like Gmail, Chrome will paus
support.google.com
How to fix Chrome sync pausing and asking to sign in
www.addictivetips.com
The other problem could be an outdated version of an antivirus program. If you're using one? I had an issue with Chrome, though it sounds different than yours, and an old version of Symantec that my office gives us.
I use Firefox and Edge. I'm actually starting to warm up to Edge. However, Chrome still works.