When attempting to install an ST9 maintenance pack the following error is thrown and the install cannot continue:
1152:Error extracting Solid Edge ST9.msp to the temporary location
This is a Microsoft error indicating that you do not have enough disk space in the %TEMP% folder location to extract the files to and run the installer.
Clear the contents of your %TEMP% folder and retry the maintenance pack install again.
Notes and References
OS Version: 764