If none of the above solves the issue, consider:
: Look for Event ID 10010 (DCOM registration timeout) or other errors under Windows Logs > Application to identify if the SQL server failed to respond. Advanced Solutions
The error message "A Basic Application Could Not Be Started" in WinCC 7.5! A Basic Application Could Not Be Started Wincc 7.5
Overzealous antivirus software (especially McAfee, Norton, or even Windows Defender real-time scanning) can quarantine or block the launch of .exe files that WinCC needs.
: Ensure your Windows version is strictly compatible with your WinCC 7.5 Service Pack. For instance, users on Siemens Support Forums found that installing If none of the above solves the issue,
Check the event logs to identify any error messages related to WinCC 7.5. Analyze the error messages to determine the cause of the issue.
: An outdated Edge browser on Windows 10 (version 20H2) can disrupt the SQL Server installation used by WinCC. : Ensure your Windows version is strictly compatible
To resolve the error "A basic application could not be started"
If none of the above solves the issue, consider:
: Look for Event ID 10010 (DCOM registration timeout) or other errors under Windows Logs > Application to identify if the SQL server failed to respond. Advanced Solutions
The error message "A Basic Application Could Not Be Started" in WinCC 7.5!
Overzealous antivirus software (especially McAfee, Norton, or even Windows Defender real-time scanning) can quarantine or block the launch of .exe files that WinCC needs.
: Ensure your Windows version is strictly compatible with your WinCC 7.5 Service Pack. For instance, users on Siemens Support Forums found that installing
Check the event logs to identify any error messages related to WinCC 7.5. Analyze the error messages to determine the cause of the issue.
: An outdated Edge browser on Windows 10 (version 20H2) can disrupt the SQL Server installation used by WinCC.
To resolve the error "A basic application could not be started"