Learn how to fix the “DLL is either not designed to run on Windows or it contains an error” issue using safe and effective methods. This step by step guide helps repair corrupted DLL files and restore proper system functionality without reinstalling Windows. Dism.exe /online /Cleanup-Image /RestoreHealth sfc /scannow ✅ Fix DLL is either not designed to run on Windows error ✅ Repair corrupted or missing DLL files ✅ Replace invalid DLL file safely ✅ Fix Bad Image DLL error message ✅ Resolve application failing due to DLL error ✅ Run system file checker to fix DLL issues ✅ Works on Windows 10 and Windows 11 In this tutorial, you’ll learn how to repair system files, reinstall affected programs, and restore damaged DLL files that cause apps or games to crash on startup. These solutions are useful after Windows updates, software installation failures, or malware removal on Windows 10 and Windows 11. #windowsfix #dllerror #windowserror