How to fix “Stop 0×00000050″ error message

During periods of substantial input/output (I/O) to the hard disks in a computer, you may receive a “Stop 0×00000050″ error message on a blue screen.

There are numerous things that can cause the Windows 7 blue sreen error:
First your computer may be overheating. Feel your computer (especially if you have a laptop) and check if it is running hot. If the temperature feels abnormally high it may be a good idea to get a cooling fan. You should also be running your computer on a smooth cool surface.
The second cause of the blue screen error 0×00000050 is an issue with your Windows registry, more specifically the HAL layer. HAL stands for the hardware abstraction layer. It is a process in the Windows registry that communicates information from the drivers to the hardware.
The third and most probable cause of Stop 0×00000050 is too many registry settings inside your PC. Registry settings are kept inside the “registry” database, and are basically what your computer uses to help it run as smoothly as possible. These settings store everything from your desktop wallpaper to your most recent emails, but also keep a lot of vital Windows system files inside. It’s thought that the cause of the blue screen error is because of several registry settings not loading correctly – causing Windows to just show a blue screen instead of showing your desktop & programs. Each time a Windows computer loads, it needs to read 100′s of registry settings to help it run. Therefore, it is sincerely recommended that you can download and install an outstanding registry cleaner to automatically troubleshoot and fix registry errors and speed up your PC without seeking helps from some computer technicians. Soon after fixing the registry errors, Stop 0×00000050 problem will be solved instantly as well.