Tabbing itself out on startup

Game seems to start in wrong resolution and instantly tab it self out. Every time I try to tab back in it sends me back to homescreen. Have tried easy fixes like restarting game/battlenet/computer and reinstalling the game but nothing works so far.

Typically Windows is kept up to date automatically but there are many occasions where you may need to manually run Windows Update. In those cases you can go into Windows Update under settings or control panel and check for updates. If you are unable to check through Windows update, check out the FAQ here: Windows Update: FAQ - Microsoft Support

We want to make sure we have all driver updates as well. GPU, Network, Audio, Motherboard/system. All are important. Check with your system maker for updates as opposed to using a 3rd party driver manager or Windows Updates.

Let’s reset the in game user options:

  1. Right click Windows Start, Open File Explorer
  2. Navigate to the documents folder on your PC
  3. Delete the War3Preferences.txt file under the Warcraft III folder.
  4. Empty the Recycle Bin.

Try running your system in selective startup mode: https://battle.net/support/article/200483

Create a new administrator account: Blizzard Support - Creating a New Administrator Account

Once the account is created, shut down the computer, wait 60 seconds, restart, log into the new profile and try the app/client.

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