✅ Debug Checklist – “Access is Denied” (.NET / Visual Studio)
🔹 Identify Problem
☐ Error: Unable to start program (.exe) – Access is denied
☐ EXE exists in bin\Debug\net9.0
🔹 Verify Build
☐ Run Rebuild Solution
☐ Confirm no build errors
☐ Ensure correct startup project
🔹 Check Execution
☐ Run EXE manually → still “Access denied”
☐ Check Windows popup → Action blocked by administrator
🔹 Root Cause
Confirm: Corporate security policy (AppLocker / Defender) blocking .exe
🔹 Workaround (Working Solution)
☐ Navigate to project folder
☐ Run
OR
🔹 Fix Port Issue
☐ If running on port 5000 → expected
☐ Use:
☐ Confirms launchSettings.json is applied
☐ Runs on configured ports (7039 / 5137)
🔹 Validate Application
☐ Check console:
Now listening on: https://localhost:7039
☐ Open in browser
☐ API working ✅
🔹 Final Rules
☐ Do NOT use .exe (blocked)
☐ Always use dotnet run
☐ No need for admin / permissions change
✅ Final Status
☐ Build successful
☐ App running
☐ Ports working
☐ Issue resolved
✅ Done 🎉
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