Setting the correct folder permissions for upgrade
The Analytics Plus installation directory should have the following permissions configured. This is a pre-requisite for a successful upgrade.
Steps to setup the necessary permissions:
Navigate to the directory where Analytics Plus is installed. The default directory is C:\ManageEngine\AnalyticsPlus
Right click on the AnalyticsPlus folder and select properties.
Select the Security tab on the properties window.
Click on Edit and then Add. Type in Everyone and then click on OK.
Select Everyone and click on Full control. Select OK to save.
Please delete the "Patch" folder present in the Analytics Plus installation directory (<ManageEngine>\AnalyticsPlus) before you try to upgrade again.