75 Best Hot! | A Basic Application Could Not Be Started Wincc

How to Fix the WinCC 7.5 "A Basic Application Could Not Be Started" Error

1. Disable antivirus software: Temporarily disable antivirus software to ensure it's not interfering with WinCC:

   ✅ Fix 6: Reinstall WinCC SQL Instance

   • Press Win + R, type services.msc, press Enter.
   • Look for these services: