C&C4 on Window 10 "general system error"

Hello @Qbill7718 . I moved ur post to a more appropriate place in the forum.

U can check this threads at first:

https://answers.ea.com/t5/forums/searchpage/tab/message?filter=location%2CsolvedThreads&q=%22General+System+Error%22&solved=true&location=forum-board%3Acommand-and-conquer-the-ultimate&collapse_discussion=true

Do u have Steam or Origin version? If u have steam version, u need activate game in ur EA account any way ( https://myaccount.ea.com/cp-ui/redemption/index ).