If the error persists only with a specific project, the project's configuration files might be the culprit. Navigate to your project folder.
WinCC 7.5 / "A basic application could not be started" message a basic application could not be started wincc 75 best
Never abruptly turn off the engineering station (ES) or operator station (OS) while a WinCC project is running. If the error persists only with a specific
A crash during a previous save can leave temporary or corrupted files ( .dcf files) in your project directory. Step-by-Step Solutions to Resolve the Error or license issue.
If you want to dive deeper into a specific step, let me know:
This will help narrow down whether it's a missing DLL, service dependency, or license issue.
2019.03.03 : Remote parametrization option added
2018.11.24 : ODX-Database updated to support new 2019 models
2018.04.25 : ODX-Database updated to support newest 2018 models
2018.04.13 : Support for Touareg 2018 (MLB-evo) added
2018.04.01 : Web-Application redesigned completely
2017.12.24 : VideoInMotion (VIM) unlock for models < 2018 added (up to 70km/h)
2017.12.07 : Support for Audi Q5 (FY0) added
1st: Quick and dirty video with app in action: HERE
On video we coded laptimer in 2016 Audi S4 8W. Web Application ran on server located about 1200 kilometers away from a tablet with DoIP client. Internal MIB2 Wifi Access Point was used.
2nd: Remote disable StartStop by iPhone: HERE
3rd: Remote rearview Camera parametrization: HERE
4th: Remote Seat Belt warning disable using new VCP-BT interface and Android client.