Start with released game updates, then choose the relevant symptom. The earlier Windows-related fix and Season 2 connection changes do not establish a live outage or guarantee that every later error is resolved.
If the game will not start
Try one change at a time and test the game afterward, so you can see whether it helped.
- 1Record the exact code and stage of failure.
- 2Install released client updates before comparing.
- 3Check current notices and server filters for connection failures.
- 4Keep Windows security and anti-cheat protection enabled.
Sources
We checked these official pages and wrote the steps in our own words. Follow the publisher’s page if it has changed.
Official Steam updates and release historyJapanese version of this page