How to Fix SDK Problem: Android SDK Missing, Outdated, or Corrupted (Step-by-Step Guide)

If you are an Android developer, you might have faced the Android SDK missing, outdated, or corrupted problem while using Android Studio. This issue prevents you from running or building your project.

Don’t worry! In this guide, I’ll explain step by step how to fix SDK problems easily and get your Android Studio working smoothly again.

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🔹 Step 1: Check SDK Path in Android Studio

1. Open Android Studio.

2. Go to File → Settings → Appearance & Behavior → System Settings → Android SDK.

3. Make sure the SDK path is correct. (By default: C:\Users\<Your-Name>\AppData\Local\Android\Sdk on Windows).

4. If it’s missing, set the correct folder path.

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🔹 Step 2: Update SDK Tools

1. In the same SDK Manager, check for updates.

2. Update important components:

   • Android SDK Platform-Tools

   • Android SDK Build-Tools

   • Android Emulator

3. Click Apply and wait for installation.

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🔹 Step 3: Reinstall SDK (If Corrupted)

1. Close Android Studio.

2. Delete the corrupted SDK folder.

   • Windows: C:\Users\<Your-Name>\AppData\Local\Android\Sdk

   • Mac: /Users/<Your-Name>/Library/Android/sdk

3. Reinstall SDK from SDK Manager in Android Studio.

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🔹 Step 4: Configure Environment Variables (Windows Only)

1. Open Control Panel → System → Advanced system settings.

2. Click Environment Variables.

3. Add a new variable:

   • Variable Name: ANDROID_HOME

   • Variable Value: Path to your SDK folder.

4. Add platform-tools and tools folder paths to the PATH variable.

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🔹 Step 5: Restart Android Studio

• After changes, restart Android Studio.

• Run your project again — SDK issue should be fixed.

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⭐ Key Features of This Fix

• Solve SDK missing, outdated, or corrupted error.

• Works for Windows, Mac & Linux.

• Easy step-by-step troubleshooting.

• No extra tools required.

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🎯 Perfect For

• Students learning Android development.

• Developers facing SDK errors in Android Studio.

• Professionals working on app projects.

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❓ FAQ – Frequently Asked Questions

Q1: Why does Android Studio say SDK is missing?
👉 It happens when the SDK path is not set correctly or the folder is deleted.

Q2: How to update SDK without errors?
👉 Use SDK Manager inside Android Studio and update Platform-Tools & Build-Tools.

Q3: Can I move SDK to another drive?
👉 Yes, but don’t forget to update the SDK path in Android Studio settings.

Q4: What if reinstalling doesn’t work?
👉 Try deleting the .gradle and .android folders from your user directory and restart Android Studio.

Q5: Is SDK same for Windows, Mac, and Linux?
👉 The tools are the same, only the installation path is different.

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