Best Extra Quality | A Basic Application Could Not Be Started Wincc 75
After applying a fix, verify that the error is resolved.
The following solutions have been identified as the most effective by the Siemens community:
This guide provides a comprehensive breakdown of the best troubleshooting methods for this specific WinCC 7.5 SP2 startup error as of 2026. What Causes "A Basic Application Could Not Be Started"?
I can provide specific logs to check (like the WinCC "Diagnose" folder) if the steps above don't clear the error. a basic application could not be started wincc 75 best
Why this works: SQL Server services and license daemons require elevated privileges to write logs and check licenses.
To resolve the "A basic application could not be started" error in WinCC 7.5, follow these step-by-step troubleshooting steps:
When the error pops up in a live environment: After applying a fix, verify that the error is resolved
If none of the above work, please provide:
If your computer has multiple network interfaces, WinCC might be trying to use the wrong one.
C:\Program Files (x86)\Siemens\WinCC\Diagnostics\BasicApplication.log I can provide specific logs to check (like
To resolve the "A basic application could not be started" error in WinCC 7.5, follow these steps:
Ensure the ( almservice.exe ) is actively running under Windows Services ( services.msc ). 3. Match User Permissions & Add to SIMATIC_HMI Group
How to Fix the WinCC 7.5 "A Basic Application Could Not Be Started" Error
If the environment is clean, the issue may lie within the project structure or the license configuration.