The rollup installer will now make the required modifications to the config files, even create new config files if not found. If customers have already modified the config files and have a generatePublisherEvidence setting, it will be left intact. Note that you still need the right version of .NET (see KB 944752) for the fix to take effect.
Uninstalling the rollup will not rollback the addition of generatePublisherEvidence to config files.
2) Blank OWA logon page after installation of rollups 3 and 4, if you have modified logon.aspx file
The rollup installer will now overwrite any OWA script files if required to ensure proper operation of OWA. You will need to redo any customization after installation of the rollup.