I tried 3 times to have Groove agent 4 trial installed on window7 64 bits but there seems to be a corrupted file in the package.
Look at the error:
7-Zip [64] 9.38 beta Copyright (c) 1999-2014 Igor Pavlov 2015-01-03
Processing archive: C:\Users\hla\Downloads\Groove_Agent_4_Trial_Installer_win.zip
Errors:
Unexpected end of archive
Extracting Groove Agent 4 Trial
Extracting Groove Agent 4 Trial\Autorun.inf
Extracting Groove Agent 4 Trial\Desktop.ini
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows\Additional Content
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows\Additional Content\Copy Protection Driver
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows\Additional Content\Copy Protection Driver\eLicenserControlSetup.exe
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows\Additional Content\Documentation
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows\Additional Content\Documentation\Operation_Manual.pdf
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows\Additional Content\Installer Data
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows\Additional Content\Installer Data\GrooveAgent.ico
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows\Additional Content\Installer Data\install.png
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows\Additional Content\Installer Data\setup.xml
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows\Additional Content\Installer Data\welcome.png
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows\Additional Content\VST Sound
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows\Additional Content\VST Sound\FCP_SMT_005_Reverence_ImpulseLibrary_01.vstsound
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows\Additional Content\VST Sound\FCP_SMT_138_Groove_Agent.vstsound
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows\Additional Content\VST Sound\FCP_SMT_141_GA_Studio_Kit.vstsound
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows\Additional Content\VST Sound\FCP_SMT_142_GA_Vintage_Kit.vstsound
Extracting Groove Agent 4 Trial\Groove Agent 4 for Windows\Additional Content\VST Sound\FCP_SMT_143_GA_Rock_Kit.vstsound : Error : Data Error
Sub items Errors: 1
Archives with Errors: 1
Open Errors: 1
Sub items Errors: 1
Kernel Time = 11.434 = 3%
User Time = 135.689 = 38%
Process Time = 147.124 = 41% Virtual Memory = 2 MB
Global Time = 351.827 = 100% Physical Memory = 4 MB
2: Fatal error occurred,