To run the Windows operating system properly, you need to update it time to time. You should also replace the hardware and software in the computer gradually so that the performance doesn’t get affected. But sometimes when you try to install any software or hardware in computer, you get Windows stop error 0x00000099 with the occurrence of a complete blue screen of death error on your computer screen. This situation of Windows BSOD error 0x00000099 happens mainly due to the problem with device drivers or due to bad boot sector. Sometimes corruption in hard disk also makes it happen. You should go with the manual or automatic error troubleshooting tips given here in this article to fix stop error code 0x00000099. For automatic fixing, you can download and install Advanced System Repair Tool in the computer.