Normally, these temporary files are deleted before a computer leaves the factory. However, Lenovo inadvertently left this specific file in the C:\Windows directory of many preloaded Windows 10 and 11 systems. The Conflict: The "Writable" Problem
To understand the importance of Mfgstat, one must understand the process. Windows Mfgstat.zip
MFGSTAT.zip , typically found in C:\Windows\ , is a manufacturing log archive common on Lenovo PCs Normally, these temporary files are deleted before a
In mid-2025, security researchers confirmed that this file is not just a leftover from the factory—it is a potential security risk for certain users. What is MFGSTAT.zip? MFGSTAT
To read these, simply double-click a .txt or .log file – it will open in Notepad. For .evtx files, use Windows Event Viewer.
The file is a benign artifact of your computer’s birth in the factory. While it looks mysterious and technical, it’s simply a log archive from the manufacturing and initial setup process. You can safely delete it to reclaim negligible space and enhance privacy, or keep it as a diagnostic tool for hardware issues.