Top 100 common compilation and runtime errors encountered in Visual Studio IDE environment

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Visual Studio compilation and runtime errors can come from various sources, including syntax mistakes, type mismatches, missing dependencies, or logic flaws in the code. Below is a categorized list of 100 common compilation and runtime errors encountered in Visual Studio, particularly for C++ and C# development.

1-50: Compilation Errors (C++ & C#)

Compilation errors occur when the code cannot be converted into machine-executable instructions due to syntax errors, type mismatches, or missing definitions.

Syntax Errors

  1. C2143: Syntax error: missing ; before statement
  2. C2146: Missing semicolon, expected something before identifier
  3. C2059: Syntax error: unexpected token
  4. C2065: Undeclared identifier
  5. C2001: Newline in constant
  6. C2017: Illegal escape sequence
  7. CS1002: C# syntax error: missing ;
  8. CS1513: Missing closing }
  9. CS1026: Expected ) but not found
  10. CS1003: Syntax error: expected , or ;

Type Mismatch Errors

  1. C2440: Cannot convert from type1 to type2
  2. C2664: Function does not take arguments of this type
  3. C2039: Member does not exist in the given class
  4. C3861: Identifier not found (misspelled function name)
  5. C2106: Assignment to an incompatible type
  6. CS0029: Cannot implicitly convert type A to B
  7. CS0266: Implicit conversion failure
  8. CS1503: Argument type mismatch
  9. CS0030: Cannot cast A to B
  10. CS0122: Access to private or protected member is denied

Linker Errors (C++)

  1. LNK2001: Unresolved external symbol
  2. LNK2019: Unresolved external symbol in function
  3. LNK1104: Cannot open file library.lib
  4. LNK1120: Number of unresolved externals
  5. LNK1168: Cannot open executable file for writing
  6. LNK1181: Cannot open input file
  7. LNK4217: Unresolved symbol imported in a DLL
  8. LNK1318: Corrupt PDB file
  9. LNK4075: Overlapping symbols in an object file
  10. LNK4099: PDB file not found

Preprocessor and Header Errors

  1. C1083: Cannot open include file
  2. C1189: #error directive encountered
  3. C4005: Macro redefinition
  4. C2061: Syntax error in typedef declaration
  5. C2220: Warning treated as an error
  6. CS0246: The type or namespace name could not be found
  7. CS0103: Name does not exist in current context
  8. CS0115: Method does not override any method from base class
  9. CS0501: Method must have a body
  10. CS0161: Not all code paths return a value

Object-Oriented Programming (OOP) Errors

  1. CS0535: Class does not implement all interface methods
  2. CS0108: Hides inherited member (add new modifier)
  3. CS1501: No overload for method takes this number of arguments
  4. CS0117: Type does not contain a definition for the requested member
  5. CS0308: The non-generic method cannot be used with type arguments
  6. C2555: Overriding function return type does not match base class
  7. C2511: Member function definition does not match base class
  8. CS1061: Object does not contain a definition for the method or property
  9. CS7036: No suitable method found for constructor invocation
  10. CS1502: Best overload method match has invalid arguments

51-100: Runtime Errors

Runtime errors occur during program execution due to invalid memory access, division by zero, incorrect API calls, etc.

Memory Access Violations

  1. Access violation (0xC0000005): Dereferencing null or invalid pointer
  2. Stack overflow (0xC00000FD): Infinite recursion or excessive stack allocation
  3. Heap corruption (0xC0000374): Writing beyond allocated heap memory
  4. Double free error: Attempting to free() an already freed memory
  5. Memory leak detected by AddressSanitizer
  6. Use-after-free error: Accessing a pointer after it has been deallocated
  7. C++ std::bad_alloc: Failed to allocate memory dynamically
  8. C++ out_of_range exception: Array or vector index out of range
  9. C++ std::length_error: Too large allocation request
  10. NullReferenceException (C#): Attempt to access a member on a null object

Arithmetic and Overflow Errors

  1. DivideByZeroException (C#)
  2. Floating point exception (C++)
  3. Integer overflow (C# checked context)
  4. ArithmeticException: Invalid mathematical operation
  5. StackOverflowException: Infinite recursion
  6. C4146: Unary minus applied to an unsigned type
  7. CS0592: Negative index on an array

File & IO Errors

  1. FileNotFoundException (C#)
  2. UnauthorizedAccessException: Cannot access file
  3. IOException: General IO operation failure
  4. EndOfStreamException: Unexpected end of stream
  5. Disk full error

Concurrency & Multithreading Errors

  1. Race condition (random crashes due to unsynchronized access)
  2. Deadlock: Two threads waiting on each other indefinitely
  3. ThreadAbortException
  4. InvalidOperationException on concurrent collection modifications
  5. C++ std::future_error: Broken promise
  6. Thread access to a disposed object
  7. C++ mutex double-lock error

Exception Handling Errors

  1. UnhandledException
  2. Stack unwinding failure in C++ (std::terminate)
  3. System.ArgumentException (invalid argument to function)
  4. IndexOutOfRangeException (accessing invalid array index)
  5. InvalidCastException (C# casting failure)

Networking & API Errors

  1. HTTP 404: Resource not found
  2. HTTP 500: Internal server error
  3. SocketException: Connection refused
  4. TimeoutException
  5. API method not found error

Configuration and Deployment Errors

  1. DLL Not Found Exception (Missing native dependency)
  2. CLR version mismatch (Common Language Runtime issue in .NET)
  3. Corrupt PDB file (debug symbols missing)
  4. Missing App.config or Web.config configuration
  5. WebAssembly runtime error
  6. Missing framework dependency in .NET Core
  7. Broken package reference in NuGet
  8. MSBuild target not found
  9. Manifest file missing in a ClickOnce deployment
  10. Failed to load assembly due to strong name validation failure
  11. Dynamic library failed to load at runtime (dlopen failure in Linux)

This list covers the most frequently encountered errors in Visual Studio for both C++ and C#. Would you like a deep dive into any particular category?

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