KB5121003 Update Is Causing Windows 11 Gaming Problems

KB5121003 update is causing Windows 11 gaming problems

Windows 11 users who installed the KB5121003 update earlier this month are reporting problems with games. While Microsoft is yet to confirm the issue – or indeed acknowledge any problems with the KB5121003 update – gamers are experiencing crashes and other issues in various titles including ARC Raiders and The Finals. Frustrated players have taken to Reddit to express their woes, and developer Embark has pointed the finger of blame at the August…

Windows 11 KB5121003 is triggering game crashes and other issues on some PCs

Windows 11 KB5121003 is August 2026’s big security update that fixes over 400 security issues, but it’s causing major issues for some games. Gamers told Windows Latest that ARC Raiders and The Finals are among the games that crash after installing the mandatory update, and the game studio behind both titles says the Windows Update is responsible. “We’re aware of a new crash introduced with the release of a Windows update (KB5121003) that may be …