Reply To: C3 +win7 x64 unplayable Home › Forums › Help & Support › Help & Support › C3 +win7 x64 unplayable › Reply To: C3 +win7 x64 unplayable September 23, 2015 at 9:36 am EEST #3105 bt878ppMember Yes, I fully updated client. Yes, I am reffering to alt+tab. Critical error often appears when I switch to another application or lost focus on l2.exe window.
