Forum Discussion
Critical Shell/Explorer.exe Boot Loop and Flickering on Recent Windows 11 Insider Build
Hello Windows Insider Team, I am writing to report a critical UI/system stability issue encountered immediately after updating to and restarting the recent Windows 11 Insider build on my machine....
Based on your description and historical patterns in Windows Insider builds, the infinite crash loop is almost certainly caused by a corrupted or malformed "IrisService" registry entry. This service is part of Windows Spotlight, which is responsible for fetching lock screen wallpapers, tips, and promotional content from Microsoft's servers.