In the Windows operating system you get so many error issues time to time. Sometimes when you try to open or start the computer or when you try to install or uninstall any apps or programs, you get Windows update error 0x00000090 on the display. There are many reasons responsible for the occurring of stop error code 0x00000090 or Windows BSOD error 0x00000090. After the occurring of the error, you will see many symptoms in the computer like slow performance of the computer, blue screen of death error issue, etc. You will get this issue due to incorrect registry files or due to damaged or corrupt hard disk. You can fix this issue with the help of some manual or automatic error fixing methods. For automatic fixing, you should download and install Advanced System Repair Tool in the computer.