That's a Punkbuster/Evenbalance ban. Not an admin ban.
You are not on the MBi on PBBANS
MBi Search Results
The GUID 8b7c6941e406611ec7d7d9d060db9503 is not on the
Master Ban Index (MBi)
If you are receiving a Global Ban message, this is an Even Bal…
Don't launch BF4 from Origin. It opens the new UI which was designed for BF1 and BF4 was added as an after thought.
Open Battlelog in your Browser and login
Go to the Server Browser page.
1. Running any overlays? Turn them all off
2. Turn off all background programs.
3. Turn off everything under Origin's Application Settings. EVERYTHING!
If none of the above helps, try the following:
Do a Clean Boot (google how) of Windows, then try…