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What does the cssauth.exe file do?

The cssauth.exe process is also known as CSS Authentication Provider and is a part of Client Security Solution or, as the case may be, Client Security - Password Manager. This software is produced by Lenovo Group (www.lenovo.com). An obsolete or defective version of cssauth.exe can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about cssauth.exe CSS Authentication Provider

cssauth.exe is not part of Windows, but it is important nonetheless. Cssauth.exe is found in a subdirectory of "C:\Program Files". Frequently occurring are file sizes such as 2,630,968 bytes (50% of all these files), 2,614,848 bytes, 2,618,944 bytes or, as the case may be, 3,073,336 bytes.
This process does not have a visible window, and does not appear on the taskbar. Cssauth.exe contains a digital signature from Verisign, a subsidiary of Symantec. Verisign thereby confirms this file's authenticity and integrity. It has a digital signature. This confirms that the producer has been registered with a certificate authority. The application is initiated as part of Windows start-up (Registry: MACHINE\Run). The cssauth file is not part of the Windows operating system. To remove the file and its related software from your computer, click Programs in Control Panel Cssauth.exe also can also affect other applications by changing their properties. Such manipulation can cause an application to do things other than what it is intended to do. Cssauth.exe is capable of interpret keystrokes as well as monitor other applications. For this reason, 37% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves cssauth.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about cssauth?

cssauth.exe is a process from Client Security Solution by IBM Lenovo and part of ThinkVantage Client Security Solution

Summary: One user considers it harmless. source: file.net

How to uninstall Client Security Solution or Client Security - Password Manager

cssauth.exe CSS Authentication Provider fix

To remove CSS Authentication Provider from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. In Windows 8, look for Control Panel.
  2. Click Control Panel.
  3. Click Uninstall a program.
  4. Look for Client Security Solution or Client Security - Password Manager in the list of available programs.
  5. Click Uninstall.

How to tell if cssauth.exe (CSS Authentication Provider) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of CSS Authentication Provider. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for CSS Authentication Provider or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or cssauth.exe is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

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