Look for ERROR or FAILED entries near the timestamp when you start WinCC.
Many users on Siemens SiePortal have found that this error often stems from incompatible software "residue" or specific system configurations. a basic application could not be started wincc 75 best
After adding your user, you must log off and log back in for changes to take effect. 4. Use the SIMATIC Security Control Tool Look for ERROR or FAILED entries near the