When installing Service Pack 2 for LiteSpeed 5.2, the following error displays: The upgrade patch cannot be installed by the Windows installer service because the program to be upgraded may be missing or the upgrade patch may update a different version of the program. Verify that the program to be updated exists on your computer and that you have the correct upgrade patch,
The version of LiteSpeed is not 188.8.131.520
1. In query analyzer, run EXEC master.dbo.xp_sqllitespeed_version
2. If the Product Version and/or Engine Version are not 184.108.40.2060, upgrade LiteSpeed to version 220.127.116.110
3. Run the installer for LiteSpeed 5.2.0 SP1*.msp
4. Run Instance Configuration after installing the Service Pack 1.