Open IE browser → select "Connect" option → click "LAN Settings" → check "Automatic Detection Settings", and then reopen Battle.net client to update.

Second, the switching network.

If you have the conditions at home, you can choose different networks "Telecom/Unicom/Tietong" to update, and it is also possible to update successfully, because sometimes some network operators will have problems with this update node.

Third, delete Battle.net's files.

Right-click My Computer → Management → Services and Applications → Services → "Secondary Login Service → Properties → Startup Type → Automation → Applications → Click Start, and then click OK.

Open drive C, find this "Battle.net" file of C:\ProgramData\Battle.net, and delete it.

Fourth, pause? continue

Some netizens switch to pause and continue in different ways after encountering such a situation. After unremitting efforts, they have the opportunity to skip updating the yellow triangle icon and update it.

, download again.

This may be the most stupid, but it is also the most effective method. Because every time the Hearthstone client is updated, the version of official website will be updated, but the client version may not be synchronized too fast.