A Basic Application Could Not Be Started Wincc 75 Best -

regsvr32 "C:\Program Files (x86)\Common Files\Siemens\Bin\CCBasicApplication.dll" regsvr32 "C:\Program Files (x86)\Siemens\WinCC\bin\CCBasicApplicationServer.exe"

| 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

WinCC 7.5 / "A basic application could not be started" message | | Contact Siemens Support | Provide error

Close WinCC Explorer first. These folders will be recreated. WinCC V7

WinCC V7.5 basic application could not be started - SiePortal

: This error often indicates that the SQL instance was not installed correctly. Uninstall both WinCC and the SQL instance completely before performing a clean reinstallation. Note: Ensure your computer name contains no special characters or underscores, as these can break the SQL installation.