Always run the project from a local hard drive (e.g., C: or D:).
The error in WinCC 7.5 typically indicates a conflict between the software and the Windows environment, often related to SQL Server instances, user permissions, or compatibility updates . Immediate Troubleshooting Steps A Basic Application Could Not Be Started Wincc 7.5
Before diving into the troubleshooting steps, it's essential to understand the common causes of the "A basic application could not be started" error in WinCC 7.5: Always run the project from a local hard drive (e
Oddly, an outdated version of Microsoft Edge can disrupt the WinCC basic installation, particularly on Windows 10 (version 20H2). Ensure Edge is updated to v86.0.622.56 or higher by going to Help and feedback -> About Microsoft Edge . Ensure Edge is updated to v86
This error typically appears without a detailed explanation, leaving many users stuck at a loading screen or facing an immediate crash of the WinCC Explorer or Graphics Designer. Below, I’ll walk you through what causes this issue and how to fix it step by step.