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If you’re getting this Visual Studio error: Process with an Id of ### # is not running. It usually means IIS Express (or the Visual Studio debug process) has crashed or stopped unexpectedly while Visual Studio is still attached. This isn’t an application code issue — it’s a runtime or IDE glitch . Here’s how you can fix it quickly 👇 1. Stop All IIS Express Processes Close the browser and stop debugging ( Shift + F5 ). Open Task Manager → Details tab. End all processes named: iisexpress.exe Once done, restart debugging ( F5 ). 2. Delete IIS Express Temporary Config Sometimes a corrupted configuration file causes this problem. Navigate to: %USERPROFILE%\Documents\IISExpress\config Rename or delete the file: applicationhost.config Visual Studio will automatically recreate it when you start debugging again. 3. Clean and Rebuild Your Project In Visual Studio: Build → Clean Solution Build → Rebuild Solution This ensures any leftover temporary build data is re...

Fixing the "JAVA_HOME is not set" Error: A Complete Guide Encountering the error   ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH   is a common hurdle for developers. This error means your system can't find a Java Development Kit (JDK), which is essential for running tools like Gradle for Android development. This guide will walk you through checking for a JDK, installing one if needed, and correctly setting the   JAVA_HOME   environment variable on Windows, macOS, and Linux. 1. Check if Java is Installed First, verify if Java is already on your system but not properly configured. Open a   Command Prompt   (Windows) or   Terminal   (macOS/Linux). Run the following commands: echo %JAVA_HOME% java -version If these commands return a version number, Java is installed. If you get an error like   command not found , you need to install a JDK. 2. Install a JDK (If Needed) If you don't have a JDK, you need to install ...