This is the solution in 90% of cases. Even if the file size looks correct, the internal data structure can be broken.
. Reddit +2 Why This Error Occurs The "End of Central Directory" (EOCD) record is a marker at the end of a ZIP file that tells unzipping software where the file structure begins. If this marker is missing, the tool assumes the file is truncated or malformed. This often happens because: Stack Overflow Corrupted Download: The ZIP file downloaded by the browser to your local cache was interrupted or incorrectly saved. Google-Side Issue: Occasionally, the specific build you are trying to flash is missing from Google's servers or the link is providing a "broken" file. Anti-Rollback Protection: Flashing an older "Public" build over a newer "Canary" or "Beta" build can sometimes trigger extraction failures if the tool detects a version mismatch that prevents the flash. Reddit +4 Quick Troubleshooting Steps If you encounter this error, try these fixes in order: Clear Browser Cache: Clear your cache and cookies, or try using This is the solution in 90% of cases
Faulty communication between your PC and the phone in Fastboot mode can cause transfer errors. Download the latest Google USB Drivers. Reddit +2 Why This Error Occurs The "End
Some users have found that turning off Incognito mode resolves the issue. 2. Verify and Reinstall USB Drivers Google-Side Issue: Occasionally, the specific build you are
Android firmware files often contain system.img files that are flagged as "broken" or "unsafe" by Windows Defender because of their internal structure.