How to fix trust issues with your computer and the server when logging in.

First you will need to logon as the local administrator, to do this you will need to put .\ and then the user name so for example .\admin and then enter the password of the local account and logon.
Now you will need to remove the PC from the domain to do this you will need to right click the windows icon in the bottom left of the screen then click on system, now from here you should see on the right side that it either says “Advanced System Settings” or “System Info” you will need to click on this. It should open System Properties.
Now to remove the pc from the domain you will need to locate to the “Computer Name” tab, then where it says “To rename this computer or change its domain or workgroup, click change. So you will need to click change, now where it says “Member of you will need to select “Workgroup” and here you can enter any name for the workgroup. After this click OK. You will need to restart your pc, make sure to make a note of the name of the domain and also make sure you know what the password of the local administrator account is before you do this.
After you have restarted you will need to log back into the PC and rejoin the domain to do this you will need to right click the windows icon at the bottom right of the screen and then click system after this you will need to go to “System Info” or “Advanced System Settings” (One of those will be on the right hand side) Then you will need to go to the “Computer Name” tab and where it says “To rename this computer or change its domain or workgroup, click change. So click change and then where it says “member of” You will need to select domain and you will need to enter the name of the domain, now it will prompt you to enter the username and password of the server so that you can join the domain. After you have done that it will tell you to restart your computer.
After you have restarted the computer the issue should be resolved and you should be able to log back in as you normally would.