You need to look at these ideas for solutions if you are getting msconfig error code on all users on your computer.
Updated: ASR Pro
How do I remove programs from startup for all users?
Open the Task Manager by clicking on the Windows icon, specifically the settings icon (gear icon). You need to enter Task Manager in the follow-up box. 2. Choose an initial case. Check all programs that you do not want to start automatically, then click Disable.