my computer is acting up or is it network error....

in my computer appears the opponent timer goes on and when time expired says it was me... aanyone having same issue?

https://support.chess.com/customer/en/portal/articles/1444849-why-did-the-clock-times-suddenly-change-the-clocks-seem

 bad dog thanks, problem was my clock was saying 4 minutes, not seconds.....and went down all the way, i top I got penalized for abandoning a game . 

Could have been a temporary disconnect.  An ad can use up all the resources and bad things like waiting forever for a move that was already sent can happen...Refresh your page if the opponent is taking a suspiciously long time to move.  Don't do it frivolously though or chess.com will hit you for abandonment (or so I've read).  Here's the article:

https://support.chess.com/customer/en/portal/articles/1444918-my-internet-connection-is-fine---why-am-i-getting-disconn

Ultimately, it boils down to 2 things: is it reachable from a layer 3 standpoint, and is the port you're trying to connect to reachable from a layer 4 standpoint? If these are both true, then it will work. If either is not true, your connection will fail. Depending on the devices in the transit path, the possibilities that describe failure are almost limitless.

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Thanks guys.  Yup got hit by the "abandoned" games thing.....