| Lsass.exe errors can be a nasty problem that | | | | looking for a virus. Since most lsass problems |
| likes to shutdown Windows and cause problems | | | | consist of this infection, it will be the first place to |
| restarting and loading back into windows. | | | | look. |
| Lsass errors are most commonly caused by a | | | | Scanning for viruses is pretty simple. Simply |
| virus. The "Sasser" virus was recognized a bit too | | | | download the program of your choosing and |
| late by Microsoft, so the security update came a | | | | follow the instructions it gives you. |
| bit after the fact. | | | | Not all antivirus programs are created equal. I |
| The first thing you'll want to do, if your Windows | | | | suggest trying a few different free ones until you |
| is still operational, is to install the "Sasser" update | | | | find one that is easy to use and does the job |
| to your Windows. | | | | properly for you. |
| While this probably won't fix your PC outright, it | | | | I would also strongly consider a registry cleaner. |
| will help in the prevention of further infection. You'll | | | | Because the registry is a particularly vulnerable |
| probably want to go through the following | | | | area on your computer, it is important to keep it |
| troubleshooting, depending on the severity of | | | | in order and free of program fragments and |
| your infection. | | | | infection. |
| Prevent Windows Shutdown | | | | NOTE: Always keep a firewall active! |
| If you still have access to your Windows (if it is | | | | For Advanced Infections, Reinstall Windows |
| at least booting into Windows), you'll want to | | | | If you are not able to access Windows at all (it |
| prevent the shutdowns post-haste. | | | | keeps rebooting before Windows loads, even |
| This is a pretty simple process. Just go to Start | | | | when you try to enter in Safe Mode), then you'll |
| > Run (or press the Cmnd or "Windows" | | | | likely need to install Windows over the top of the |
| button). In the Run box, type in the command | | | | old. |
| "shutdown -a". | | | | The process is pretty simple. You'll just want to |
| While this won't ride you of your error/virus | | | | install Windows from your Windows disk to the |
| problem, it will prevent the debilitating shutdown | | | | same directory as your original copy. It should |
| process that the error is infamous for. This will | | | | overwrite any errors without resetting any of |
| allow you to continue troubleshooting your PC until | | | | your user settings, programs, etc. |
| you get rid of the problem. | | | | For more information on how to keep your |
| Scan Your System for Sasser Virus | | | | system free of lsass.exe errors, check out the |
| The first process in your troubleshooting will be | | | | information here. |