: Ensure your computer or server name does not contain special characters or underscores. Special characters can cause the SQL instance to install incorrectly, triggering this "basic application" error during startup.
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Troubleshooting: "A Basic Application Could Not Be Started" in WinCC 7.5 a basic application could not be started wincc 75 best
WinCC V7.5 basic application could not be started - SiePortal : Ensure your computer or server name does
typically indicates a failure in the communication between WinCC components, often stemming from SQL Server issues software incompatibilities missing system prerequisites Immediate Solutions Run Reset-WinCC : Navigate to the WinCC installation folder (typically .../Siemens/WinCC/bin Reset_WinCC.vbs Troubleshooting: "A Basic Application Could Not Be Started"
Users often solve this by installing the latest Service Packs (SP) or Updates. For example, WinCC 7.5 SP2 on Windows 10 22H2 often requires Update 15 or higher to function correctly.