Steps to reinstall Liveupdate on SEPM:
1. Remove Live update from "Add/ Remove Programs"
2. Reboot the machine
3. In Windows Explorer, if they are present delete the following folders, without saving the existing content:
- C:\Documents and Settings\All Users\Application Data\Symantec\LiveUpdate
- C:\ProgramData\Symantec\LiveUpdate
- C:\ProgramData\Application Data\Symantec\LiveUpdate
- C:\Program Files (x86)\Symantec\LiveUpdate
4. Install LU using lusetup.exe from the SEP 11.x install media (execute with local admin rights - build in administrator)
5. in C:\Program Files (x86)\Symantec\Symantec Endpoint Protection Manager\bin:
- Type lucatalog -cleanup and press Enter.
- Type lucatalog -update and press Enter.
6. in C:\Program Files (x86)\Symantec\LiveUpdate start luall.exe (execute with local admin rights)