Fix CMake Error in Flutter Windows Build (CMakeCache.txt Mismatch)
Are you getting this error when running your Flutter app on Windows?
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CMake Error: The current CMakeCache.txt directory ... is different than the directory ...
The source "CMakeLists.txt" does not match the source used to generate cache.
Error: Unable to generate build files.
This video explains the exact reason behind the error and walks you through how to fix it in under 2 minutes.
✅ What you’ll learn:
Why CMakeCache.txt mismatch happens
How to clean your Flutter Windows build
When to delete build/windows folder
How to re-run your app using flutter run -d windows
🧠 This fix works for most Flutter Windows build errors related to CMake.
💻 Works with Flutter 3.x and Windows 10/11.
🔧 Full Command Used:
arduino
Copy
Edit
flutter clean
flutter pub get
flutter run -d windows
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