missing files

Gateway Desktop with intel pentium dual-...
May 11, 2010 at 03:26:38
Specs: Windows 7
When my computer boots,a error screen comes up and says" Isass.exe unable to locate and the LSASRV.dll was not found." What can I do to fix this,I do not gave any disk. Then it just goes to a black screen. Thank you

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May 11, 2010 at 03:52:14
This type of error can be an infection & we need to eliminate that possibility first.

Run Malwarebytes' Anti-Malware
Error codes
Common Issues, Questions, and their Solutions, Frequently Asked Questions.
If it won't run, rename the downloaded mbam-setup.exe file to mb.exe to help work around certain malware that will block it from being run.
If it still will not run.
1: Go to Control Panel > Programs and Features and uninstall Malwarebytes.
Next redownload Malwarebytes but rename it before you download it to your desktop. As you are in the process of downloading when you get to the point that the "enter name of file to save to" box appears, in the "filename" slot, rename mbam-setup.exe to something.exe, then click Save.
If it installed but will not run, navigate to this folder:
2: C:\Programs Files\Malwarebytes' AntiMalware
At the top of the page, Tools > Folder Options > View, click > Show hidden files and folders and untick > Hide extensions for known file types.
Rename all the .exe files in the Malwarebytes' Anti-Malware folder and try to run it again.
When it opens, update 1st.
If it won't update after installing, update manually.
Download & install.

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May 11, 2010 at 06:20:58
or you could just run a repair installation of windows, I'm sure you know someone who has a disk somewhere... right?.... right?

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