A Basic Application Could Not Be Started Wincc 7.5

If the above fails, the error might live in your project’s local configuration files.

Navigate to the WinCC installation folder (typically C:\Program Files (x86)\SIEMENS\WinCC\ucl_bin ). Locate Reset_WinCC.vbs . Double-click it to run. Restart your computer. 3. Check and Restart SQL Server (WinCC Instance)

Understanding the root causes and applying systematic troubleshooting steps will help restore your SCADA system to full operation. Primary Causes of the Error

To rule out an actual license problem, open the Automation License Manager and check:

: For systems using NVMe drives, check if the physical sector size is greater than 4096 bytes. If so, a registry tweak for ForcedPhysicalSectorSizeInBytes may be required to allow SQL Server to function . A Basic Application Could Not Be Started Wincc 7.5

Press Win + R , type lusrmgr.msc , and press to open Local Users and Groups. Click on Groups .

: Ensure your WinCC version is compatible with your Windows build. For example, WinCC 7.5 SP2 on Windows 10 22H2 often requires or higher to function correctly. Use the Siemens Compatibility Tool to verify your specific configuration. SQL Server Issues

It's best to work through these solutions in a logical order, starting with the simplest checks before moving to more complex fixes.

Locked temporary database connection files frequently trigger initialization errors when reopening a project. If the above fails, the error might live

: Ensure your computer name does not contain special characters or underscores, as these can interfere with SQL installation.

Right-click on WinCC Explorer → Run as administrator

Execute the following command to completely reset the WinCC plant background components: CCProjectMgr.exe /ResetActiveProject Use code with caution.

: WinCC relies heavily on a specific instance of MS SQL Server. If SQL Server was installed incorrectly, or if a previous version of WinCC was uninstalled without removing all SQL components, this error often occurs. Windows Feature Incompatibilities : Double-click it to run

local user group. Ensure you have Administrator or Power User rights to manage project files. Troubleshooting Steps Possible causes for "Reset_WinCC.vbs" - SiePortal

This tool manages security settings for all SIMATIC software. For the error "A basic application could not be started," the Security Controller is a key diagnostic step to repair or apply critical system security settings.

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