Opus 5.5 diagnoses fake OneDrive 'desktop takeover' in one prompt, maps 3 autostart paths
rehtorical · reddit · 2026-10-15
After a suspected hack, a Reddit user's PC showed odd OneDrive behavior that other models couldn't explain. Opus 5.5 diagnosed it in one prompt: not an intrusion, but three Microsoft automations stacking in the same week.
- Registry timeline: OneDrive autostart disabled June 21; Windows switched wallpaper to Spotlight Oct 11; OneDrive updated Oct 12, launched via logon task Oct 13, re-enabled itself Oct 14
- The Startup Apps toggle only controls the Run entry; OneDrive also has a daily updater and a logon scheduled task the toggle doesn't touch
- The wallpaper change came from Windows Spotlight, coincidentally the same week
- OneDrive's folder-backup campaign for 11.7 GB of files created the "takeover" illusion; nothing actually moved
- Opus provided a four-step fix: disable both scheduled tasks, remove the Run entry, set the policy blocking the backup prompt, switch back the wallpaper
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