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The system.core tag on WindowsForum.com covers discussions about .NET runtime errors, specifically System.InvalidCastException and related exceptions that occur during application startup. Users share troubleshooting steps for resolving conversion issues, such as when a string cannot be parsed into a numeric type. Topics include interpreting exception details, enabling just-in-time debugging, and fixing format errors that prevent applications from launching. These threads help developers and IT professionals diagnose and resolve core .NET framework errors in Windows environments.
  1. K

    Windows 7 Troubleshooting System.InvalidCastException Error During Application Startup

    Hi, Since 2 weeks, everytime I start my Link Removed, the following windows appears (see attachment) with the following details: See the end of this message for details on invoking just-in-time (JIT) Link Removed instead of this dialog box. ************** Exception Text **************...
    • kotzo
    • Thread
    • application error assembly version conversion error cpax20 debugging error message eventargs format exception invalidcastexception jit debugging software bugs system.configuration system.core system.drawing system.management system.xml timer unhandled exception visual basic windows forms
    • Replies: 1
    • Forum: Windows Help and Support
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