Getting an error during upgrade of Symantec Installation Manager (SIM) or any solution through SIM:
The following products were unable to be verified for download:
It may be that your system time is incorrect. Check your system date/time settings and click Retry, or click Cancel to go back and modify your selection.
ITMS 8.x
Following are the possible reasons:
Verify the System Date/Time and Location in Control Panel>Region and Language Option.
Issue should resolve after doing a reset of Date and time formats through Additional settings.