If you’re seeing the error “Windows could not start the Diagnostic Policy Service on local computer. Error 5: Access is denied”, this video will walk you through simple, proven methods to get your network services working again.br br This solution works on every version of:br 🟢 Windows 11 (Home, Pro, Enterprise, Education)br 🟢 Windows 10 (Home, Pro, Enterprise, Education)br 🟢 Windows 8 8.1 (Home, Pro, Enterprise)br 🟢 Windows 7 (Starter, Home, Pro, Ultimate, Enterprise)br br Compatible with ALL major PC brands — HP, Dell, Lenovo, ASUS, Acer, Toshiba, Samsung, MSI, Sony VAIO, Surface, and more.br br ⚠️ Errors you’ll fix in this tutorial:br br Diagnostic Policy Service not startingbr br Service started then stoppedbr br Access denied when starting Diagnostic Policy Servicebr br Network Diagnostics not runningbr br Windows Troubleshooter failingbr br No internet connection due to disabled servicesbr br If your Wi-Fi won’t troubleshoot, your PC can’t detect network problems, or Windows services refuse to start — this guide shows you exactly how to repair it.br br 🔧 What this fix restores:br br ✔️ Network Diagnosticsbr ✔️ Wi-Fi & Ethernet troubleshootingbr ✔️ Windows Updatebr ✔️ Network sharing & file sharingbr ✔️ Printer and device connectivitybr br 🗎 Commands used in this video:br br net localgroup Administrators add networkservicebr net localgroup Administrators add localservicebr br br 👉 Follow the video to apply each fix step-by-step.br 👉 Works on all systems, Windows editions, laptops, and desktops.