Windows' notification API gets an overflow (ERROR_NOTIFY_ENUM_DIR) if you change many files quickly, like during a copy/paste in explorer. You then have to re-s

Windows' notification API gets an overflow (ERROR_NOTIFY_ENUM_DIR) if you change many files quickly, like during a copy/paste in explorer. You then have to re-scan the dir manually. While rescanning, the files may continue to change. You may or may not get a subsequent event for a file that changed during your rescan. One example of related issues: https://github.com/libuv/libuv/issues/626 https://github.com/libuv/libuv/issues/626