DLL Tool

How to fix lsasrv.dll errors

lsasrv.dll fix and repair

DLL ToolDLL Tool downloads lsasrv.dll and repair lsasrv.dll problems including file missing or not found error, not a valid image, bad image, MUI, high CPU and negotiate problems for Microsoft Windows 7/8/XP/Vista operating systems, both 32 (x86) and 64 (x64) bits.




About LsaSrv.dll

LsaSrv.dll is a dynamic link library for Microsoft Local Security Authority Server, which decrypts all password hashing schemes on your computer. Lsasrv.dll is also needed for your Windows system to work properly.

LsaSrv.dll is used to provide functions for Local Security Authority Subsystem Service (LSASS) in Microsoft Windows operating systems that is responsible for enforcing the security policy on the system. LSASS process verifies users logging on to a Windows computer or server, handles password changes, and creates access tokens. It also writes to the Windows Security Log.

LsaSrv.dll error messages

Because lsass.exe is a crucial system file, its name is often faked by malware. The lsass.exe file used by Windows is located in the folder C:\Windows\System32. If it is running from any other location, that lsass.exe is most likely a virus, spyware, trojan or worm, you will probably see the following errors:

  1. DLL C:\WINDOWS\system32\LSASRV.dll is not a valid windows image. Please check this against installation disk.
  2. This application has failed to start because lsasrv.dll was not found.

Causes of LsaSrv.dll errors

Because LsaSrv.dll file are shared by LsaSrv.dll file and other local security related processes, LsaSrv.dll file exists outside of the software application itself. Although this provides many benefits for software developers, this separation also provides an opportunity for problems to occur.

LsaSrv.dll file seems to be an essential system or application file. If you got this LsaSrv.dll error, your system or application can not function properly. Having LsaSrv.dll error indicates that your Registry is not stable and may have other potential registry issues. Improper installing or uninstalling applications on your system will make your registry size larger and larger and eventually corrupt.

It is known that everything you do on your computer corresponds with the registry and new values are constantly written to it. Unfortunately, the registry is not perfect and outdated entries like the key values of corrupt LsaSrv.dll accumulate over time. Worse still, some entries become obsolete and even corrupted. This is especially true if you get infected, since trojan and the virus leave many useless and harmful data in your pc, so this will cause a large number of strange problems and also affect your pc performance.

How to resolve LsaSrv.dll issue

Firstly run a full scan of your system by removing the virus infection. And then you have to repair the contaminated registry keys, After the virus is removed, the registry is also changed or destroyed, so your pc will still execute slow and also has many problems.

If you are not an IT professional, you could find it very difficult to troubleshoot what is the nature and causes of LsaSrv.dll error, especially in case of Windows Registry involved. Alternatively, you can use a third-party registry cleaner like DLL TOOL to thoroughly analyze and fix the LsaSrv.dll errors automatically.

DLL TOOL helps you secure your system and ensure that LsaSrv.dll is well recovered and kept. It can find out the hidden clues for the LsaSrv.dll error in the Registry.


8.13 MB - Windows 8/7/Vista/XP, 32- & 64-bit