Fixed: An error occurred while gathering user information (Thinkvantage System Update)

Make sure you are logged in as an Administrator or a user with administrative rights to apply the following fix.
Step 1
 Remove all previous log files from C:\program files\lenovo\system update\logs

Step 2 

Click Start -> Run -> Secpol.msc

Click Security Options.

Find System cryptography: Use FIPS compliant algorithms for encryption, hashing and signing

Disable this setting

Step 3

Navigate to:

C:\Program Files\Lenovo\System Update\session\system\SSClientCommon

For 64 bit OS

C:\Program Files (x86)\Lenovo\System Update\session\system\SSClientCommon

Open file MappingInterface.xml using Notepad

Add the following lines:

WIN7-PRO.SP1

Windows 7 Professional

Service Pack 1

7.SP1

Windows 7

If you're using other version than Professional, just change WIN7-PRO.SP1 to WIN7-UTL.SP1 etc and 4th line to WINDOWS 7 Ultimate.

You should be able to run the System Update now.

This fix can work for any other Windows Operating systems as long as correct name and version is put into the above code.

For Windows Server 2008, try the following code, I've put together. Bare in mind that it is not tested so please take a back up of the original XML file stated above before making changes on the server.

 WINSERVER2008-Standard.SP1

 Windows Server 2008 Standard

 Service Pack 1

 2008.SP1

 Windows Server 2008