After reading this article you will be able to solve and issue where you get a Blue screen error or also known as STOP error in Windows 7 after you install Service Pack 1 for Windows.
Consider this code as an example for the error you might be getting:
STOP: 0x0000007F (0x0000008, parameter2, parameter3, parameter4)
UNEXPECTED_KERNEL_MODE_TRAP
Note: some of the parameters mentioned above in the error code example may vary from computer to computer.
Cause:
- The primary cause behind this error is any Antivirus program that might be active at the time of the Installation of the service pack.
- Both Service Pack Installation & Antivirus software might be reading the same process of the operating system.
Resolution
- Uninstall Service Pack
- Follow this guide
- Restart your computer
- Disable your Antivirus software temporarily
- Run Windows Update & Install all the updates available leaving the service pack 1
- After the updates have been completed, restart your computer
- Now Install SP1
- Restart your computer
- Enable Antivirus software
