In this video, you’ll learn how to fix the error “Cannot delete file” or “Error while deleting key” in Windows Registry Editor. Whether you’re trying to remove a stubborn registry entry, delete a locked file, or fix access denied errors when modifying system files or keys — this guide will walk you through working solutions that work across Windows 11, Windows 10, Windows 8, and Windows 7. br br ✅ Topics Covered: br br How to delete protected registry keys in Regedit br br Fix “Cannot delete key: Error while deleting key” br br How to gain full permissions to delete registry entries br br Use of RegOwnIt, RegDelNull, or third-party tools like Sysinternals RegDelKey br br Fix “Access Denied” errors while deleting files or registry br br Remove locked or undeletable files in Windows br br Use Safe Mode or Command Prompt to remove stubborn files br br 💡 These fixes are useful for IT admins, advanced users, or anyone who needs to modify or clean the Windows Registry safely.