Most install sheets for CyanogenMOD are over 20 steps, and the majority of carrier - sold Android devices have locked bootloaders that must be cracked, officially or otherwise, before rooting, installing a custom recovery, backing up the original files and, finally,
overwriting system files with Cyanogen.
The users discovered the issue in May when using a new Lenovo laptop that automatically and covertly
overwrote a system file on every boot, which downloaded a Lenovo updater and installed software automatically, even if Windows was reinstalled from a DVD.
If you need to delete or
overwrite a system file in Windows 7 or Vista, you'll quickly notice that you can not delete system files, even as administrator.
Not exact matches
This means the
files are «marked» internally as eligible for the computer operating
system to
overwrite with subsequent data.
My main two issues were and still are that the update did not check first for
system compatibility and that the new version irreversibly
overwrote the previous
file.
«CAUTION: Note that shred relies on a very important assumption: that the
file system overwrites data in place.
It just goes to show that the WPBT isn't even necessary — PC manufacturers could just have their firmwares
overwrite Windows
system files.
If you want more information about what the
system configuration backup contains, and what it will potentially replace /
overwrite, then definitely check out our guide to backing up your configuration
file here.