A Basic Application Could Not Be Started Wincc 75 Best ((top))
The error " A basic application could not be started " in WinCC 7.5
Repair WinCC installation
| If none of the above works | Action | |----------------------------|--------| | | Run WinCC setup → Select Repair . | | Uninstall/Reinstall WinCC | Use Siemens’ Total Uninstall tool first. | | Restore VM snapshot | If running on a virtual machine (VMware/Hyper-V). | | Contact Siemens Support | Provide error log from C:\ProgramData\Siemens\WinCC\Diagnostics . a basic application could not be started wincc 75 best
Before diving into complex diagnostics, check these common culprits. In 50% of cases, the issue lies here. The error " A basic application could not
- Right-click WinCC Explorer → Run as administrator.
- Also do this for any User Archive or Basic Process Control configuration tools.
- Licensing: Reinstall License Manager, verify license, reassign or renew license.
- Version mismatch: Install matching SP/Hotfix or rebuild project compatible with installed runtime.
- Missing runtimes: Install required VC++ redistributables and .NET.
- Corrupt project: Restore backup or import screens/tags progressively into a new project.
- Graphics driver: Roll back/update GPU driver; disable hardware acceleration.
- Services/permissions: Correct service startup type and credentials; run runtime under admin if needed.
- Antivirus: Add exceptions or switch AV settings to allow WinCC processes.
- Reinstall: Repair WinCC installation or perform clean reinstall using same SP.