A Basic Application Could Not Be Started Wincc 7.5 !!exclusive!! -

This will re-apply necessary DCOM and registry permissions that WinCC needs to launch its core components. 7. Rebuild the Project Header

In the context of WinCC 7.5, “basic applications” refer to core executable services and subsystems that the software relies upon to function. These include:

How to Fix "A Basic Application Could Not Be Started" in WinCC 7.5 A Basic Application Could Not Be Started Wincc 7.5

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.

Ensure that the WinCC installation folders and your project folders are added to the of your antivirus. This will re-apply necessary DCOM and registry permissions

:

Can you open , or does the error happen to all of them? These include: How to Fix "A Basic Application

In some instances, the problem is isolated to a specific project rather than the entire WinCC installation. Each WinCC project contains a .dcf (Data Configuration File) which stores configuration data. If this file becomes corrupted, it can prevent WinCC from opening that project. Deleting the .dcf file forces WinCC to regenerate a fresh copy, which often resolves the issue.

The .mcp (Master Control Project) file or its associated log files became corrupted during an improper shutdown.

Double-click each group, click , and enter your current Windows username.