A Basic Application Could Not Be Started Wincc 75 Jun 2026

Sometimes, background processes from a previous session don't close properly, preventing a new "basic application" from launching. Close WinCC and all SIMATIC software.

In the dialog box, select your primary, active network adapter (avoid choosing Wi-Fi adapters or virtual VPN adapters).

If these are disabled or corrupted, basic applications fail to start. a basic application could not be started wincc 75

WinCC 7.5 / "A basic application could not be started" message

WinCC relies on specific local user groups to execute background processes. If these are disabled or corrupted, basic applications

Try the following solutions in order. Most cases are resolved by steps 1–3.

This error — in WinCC (version 7.5) — typically appears when the Siemens HMI/SCADA runtime fails to initialize core system components. Most cases are resolved by steps 1–3

Follow these troubleshooting procedures in order, moving from the most common fixes to advanced system repairs. 1. Verify and Restart SQL Server Services

WinCC relies on a dedicated instance of Microsoft SQL Server to manage tag logging, alarms, and project data. If this instance is stopped or corrupted, WinCC cannot launch its project manager. Open the panel ( services.msc ). Scroll down to find the service labeled SQL Server (WINCC) .

Check your specific compatibility requirements using the official Siemens Compatibility Tool .