How to Fix an Lsass Error?

Local Security Authority System Service, or lsass, is the Windows process responsible for authenticating user passwords, logon processes, user permissions and groups, local security policies and writing the Windows Security Log. An lsass error can mean users are unable to logon, or are unable to access some programs and files. In order to repair an lsass error, first you need to know the cause of the error.

There are two main areas that can cause lsass errors, system based problems, or outside malicious influence. The first place to check for the cause of an lsass error is for outside malicious influence. The critical natures of lsass processes make it a prime target for Trojans, worms, adware, spyware, and keyloggers. The most infamous of the worms targeting the lsass program is the Sasser worm. The Sasser worm is known for its viciousness and ability to replicate without any human interaction at all, email is not necessary. One sure sign of a worm imitating the lsass program is the computer will shut down and reboot continually, about once a minute, without ever reaching the login screen. The best method to solve the problem of vicious software causing an lsass error is thorough and complete viruses scan and spyware scan.

=> Check if Spyware or Adware is causing your lsass error

However, if an infection is not the cause of the lsass error, the repair is much more difficult. System based errors can be from several causes, but are generally from either a corrupted or missing dll file, or from an abrupt termination of the lsass program. Every program on a computer uses dll files. Most dll files are used by more than one program. Generally speaking this is not a problem until one of these dll files is corrupted or accidentally deleted. When that happens, every program that depends on that particular dll file will not work properly, or will not work at all.

Repairing a system based lsass error requires editing Registry files, and other highly advanced functions. Attempting to edit registry files manually is very risky and if not done exactly right, can cause even more problems. Manually adjusting the Registry files is a solution only for the most advanced computer users. For most computer users, there are several registry scanners available online that can find and correct registry errors in a few minutes.

=> Discover Which Registry Repair Software Will Fix a System Based LSASS Error



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Comments on How to Fix an Lsass Error? »

July 3, 2009

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