测试邀请已收到，安装完成后无法打开

[cicc]

提示：失败。更新CEPtest时发生错误（无许可）：Expired

[Kja]

Try fully exiting Steam and make sure sure it does not run in the background.

Open Steam by right-clicking on the shortcut and select “Run as administrator”. This can fix this error, but if not, please tell us, if the issue still persists.