UNINSTALL 05.00.03 (IF ALREADY INSTALLED) BEFORE INSTALLING 05.00.04.

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If Upgrade is attempted, following error messages will be generated:

"This installation package could not be opened..."
"Error 1316: The specified account already exists"
"Fatal error during installation".

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Steps to recover from 'Fatal error during installation' on upgrade attempt from 05.00.03 to 05.00.04

1)	For 32 bit system :Navigate to Windows Registry Key: "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{21DE34A9-454A-4136-8255-9EC1016CB421}” 
	For 64 bit systems:Navigate to Windows Registry Key: "HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{21DE34A9-454A-4136-8255-9EC1016CB421}”
							9EC1016CB421}"
2)	Click on value name:  “ModifyPath” and copy the Value data.
3)	Open windows command prompt('CMD’) and paste the above copied "value data" and hit "enter". Select uninstallation and proceed.

4)	Then click "Setup.exe" from Package "05.00.04" .
	Select Uninstall option and proceed till completion. (this clears the partial installation)

5)	Again select "Setup.exe" from Package "05.00.04". Now installation will start and proceed.