My modern warefare 2 wont let me play with my primary xbox account

Hi, I hope you're doing great out there. I am an Independent advisor and I am here to help you in regard to your concern.

Kindly remove and re-add your account by following the steps below:

“ REMOVE ACCOUNT​​​
​​​
1. Press the Xbox button to open the guide. ​​​
2. Select System > Settings > Account > Remove accounts. ​​​
3. Select the account that you want to remove, and then select Remove to confirm. ​​​
4. When you're finished, select Close. ​​​
​​​
POWERCYCLE CONSOLE​​​
​​​
1. Turn off your console by holding the Xbox button on the front of the console for approximately 10 seconds. The console will turn off. ​​​
2. Turn your console back on by pressing the Xbox button on the console or the Xbox button on your controller. ​​​
​​​
ADD ACCOUNT​​​
​​​
1. Press the Xbox button to open the guide. ​​​
2. Select your gamerpic in the upper-left corner of the screen, move all the way down and select Add new. ​​​
3. Enter the Email address and the password.​​​
4. Read the Microsoft Service Agreement and Privacy Statement, and then select I Accept. ​​​
5. Follow the steps to configure your Sign-In & Security preferences to add your Microsoft account to your Xbox console.​​​“

I would also like for you to add me. i play games such as halo 3, halo Reach, Modern Warefare 3, Modern Warefare 2. Please feel free to add me.

i have played call of duty since the beginning modern warefare was the last good game and i dont like blackoops ha. now i cant even play modern warefare thanks guys yuck have xbox 1 plenty mems please fix my game

coming home from school and doing quick scope lobbys with my friends on modern warefare 2-3

By delete all updates do you mean delete them for my modern warefare 2 or all updates in general