About this tag
The SAM (Security Account Manager) file is a critical Windows system file that stores user account passwords and security credentials. On WindowsForum.com, users report serious boot failures after the SAM file is quarantined by antivirus software like Bitdefender or accidentally deleted during password reset attempts. These issues often lead to BSOD errors, boot loops, and inability to access safe mode or system repair. Recovery typically requires a Windows installation disk or advanced recovery tools. The SAM file is essential for the login process, and its corruption or removal can prevent Windows from starting normally.
  1. Vincent Patrick

    Windows 7 Bitdefender "Cleans" Windows 7 SAM file. Now Windows won't boot. BSOD even on safe mode.

    I have Windows 7 64 bit with Bitdefender installed. This morning I was playing a game when Bitdefender notification fired-up and said it has quarantined the SAM file and that the system needs to restart to complete "cleaning". I haplessly did what my antivirus instructed and now my PC won't...
  2. K

    Windows 7 Accidentally Deleted SAM File When Resetting A lost Password

    When resetting a lost password i accidentally deleted the SAM file on my computer. Whenever i try to start my computer it is about to load the user login screen before the entire computer reboots and says there's a software or hardware issue(The one that appears if power was disrupted when...
    • kmecpp
    • Thread
    • computer help hardware issues password reset recovery sam file software issues system repair windows boot windows error
    • Replies: 2
    • Forum: Windows Help and Support
  3. G

    Windows 8 System cannot wake up from sleep; reboots.

    Hi there. Trying to figure out a problem. Running Win 8 Pro, 64bit. I recently installed an upgrade of my BIOS. At first it took several tries to boot into Windows. That is now solved. What remains is the fact that when I wakeup the system from sleep, it only displays the pre-login screen...
    • gallicbear
    • Thread
    • bios update drivers firmware graphics driver graphics issues insyde board laptop operating system radeon reboot issues sam file sleep issues system freeze tech support troubleshooting upgrade windows 8
    • Replies: 3
    • Forum: Windows Blue Screen of Death (BSOD)