Issue Description
macOS update download completes but stays stuck on “Verifying Update” for an extended time.
Common Causes
- Corrupt update cache
- Insufficient free disk space
- Network interruptions
Step-by-Step Solution
Step 1: Wait Reasonable Time
- Verification can take 10–30 minutes on older Macs
- If stuck over 45 minutes, proceed below
Step 2: Restart the Mac
- Force restart only if verification does not progress
- Restart normally and retry update
Step 3: Clear Update Cache
- Open Finder → Go → Go to Folder
/Library/Updates
- Delete contents (do NOT delete folder)
Step 4: Retry Update in Safe Mode
- Boot into Safe Mode
- Retry update via System Settings → Software Update
Explore Further
- Install full macOS installer from App Store
Prevention & Best Practices
Ensure 25–30 GB free space before updates.