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You receive error: Stop error code 0x0000007B (INACCESSIBLE_BOOT_DEVICE) after you install Windows Updates
Resolve stop error code 0x0000007B (INACCESSIBLE_BOOT_DEVICE) after you install Windows Updates
Windows hangs or freezes
How to fix problems when Windows 7 hangs, freezes, or crashes.
Windows Error message "Bootmgr is missing Press Ctrl+Alt+Del to restart"
Describes how to troubleshoot the error message "Bootmgr is missing Press Ctrl+Alt+Del to restart" that may occur when you try to start Windows.
Open the Performance troubleshooter
Get help troubleshooting problems with optimizing Windows and increasing your computer's speed.
Fix broken desktop shortcuts and common system maintenance tasks
Automatically diagnose and repair problems with broken or not working desktop shortcuts and synchronize the system clock when a wrong time is displayed.