Method 1: Through Screensaver Settings
Right-click desktop → Personalize → Lock screen
Click "Screensaver settings"
From dropdown, select "(None)"
Click "Apply" → "OK"
Method 2: Remove .scr Files
Navigate to:
C:\Windows\System32 (system-wide)
C:\Users[Username]\AppData\Local (user-specific)
Locate the .scr file
Right-click → Delete (admin rights required for System32)
Additional Steps:
For third-party screensavers: Use the program's uninstaller
Clean registry entries (via regedit) if needed
Restart to complete removal
Note:
Built-in Windows screensavers can't be fully uninstalled, only disabled. Third-party screensavers may leave residual files requiring manual cleanup.