Same error here.
Restarted the computer. Run the installer as Administrator.
Last log lines:
[4A18:1100][2020-10-20T12:18:48]i304: Verified existing payload: cab85D8AF91D9552871EBFC3B6FF91D01A6 at path: C:\ProgramData\Package Cache{B12FAF45-2247-4A26-9D65-B80A84CD0AC7}v10.1.6.308\resources\std3.cab.
[4A18:1F88][2020-10-20T12:18:48]i323: Registering package dependency provider: {466808E5-A756-4486-879D-CD3CC358E368}, version: 10.1.6.308, package: WorkFusionIntelligentAutomationCloudDeveloper
[4A18:1F88][2020-10-20T12:18:48]i301: Applying execute package: WorkFusionIntelligentAutomationCloudDeveloper, action: Install, path: C:\ProgramData\Package Cache{466808E5-A756-4486-879D-CD3CC358E368}v10.1.6.308\resources\WorkFusionIntelligentAutomationCloudDeveloper.msi, arguments: ’ ARPSYSTEMCOMPONENT=“1” MSIFASTINSTALL=“7” INSTALLDIR=“C:\IntelligentAutomationCloudDeveloper” LANG=“en” MODIFY="" RESTORE_LATEST_BACKUP="" ADMIN_USERNAME=“admin” ADMIN_PASSWORD=“" WIXBUNDLEORIGINALSOURCE=“c:\softwares\intelligentautomationclouddeveloperinstaller\intelligentautomationclouddeveloperinstaller.exe” ADDLOCAL=“SPASandbox”’
[4A18:1F88][2020-10-20T12:20:03]e000: Error 0x80070643: Failed to install MSI package.
[4A18:1F88][2020-10-20T12:20:03]e000: Error 0x80070643: Failed to execute MSI package.
[067C:30CC][2020-10-20T12:20:03]e000: Error 0x80070643: Failed to configure per-machine MSI package.
[067C:30CC][2020-10-20T12:20:03]i319: Applied execute package: WorkFusionIntelligentAutomationCloudDeveloper, result: 0x80070643, restart: None
[067C:30CC][2020-10-20T12:20:03]e000: Error 0x80070643: Failed to execute MSI package.
[4A18:1F88][2020-10-20T12:20:03]i301: Applying rollback package: WorkFusionIntelligentAutomationCloudDeveloper, action: Uninstall, path: (null), arguments: ’ ARPSYSTEMCOMPONENT=“1” MSIFASTINSTALL=“7” INSTALLDIR=“C:\IntelligentAutomationCloudDeveloper” LANG=“en” MODIFY="" RESTORE_LATEST_BACKUP="" ADMIN_USERNAME=“admin” ADMIN_PASSWORD="” WIXBUNDLEORIGINALSOURCE=“c:\softwares\intelligentautomationclouddeveloperinstaller\intelligentautomationclouddeveloperinstaller.exe” REMOVE=“SPASandbox”’
[067C:30CC][2020-10-20T12:20:41]i319: Applied rollback package: WorkFusionIntelligentAutomationCloudDeveloper, result: 0x0, restart: None
[4A18:1F88][2020-10-20T12:20:41]i329: Removed package dependency provider: {466808E5-A756-4486-879D-CD3CC358E368}, package: WorkFusionIntelligentAutomationCloudDeveloper
[4A18:1F88][2020-10-20T12:20:41]i351: Removing cached package: WorkFusionIntelligentAutomationCloudDeveloper, from path: C:\ProgramData\Package Cache{466808E5-A756-4486-879D-CD3CC358E368}v10.1.6.308
[4A18:1F88][2020-10-20T12:20:41]i372: Session end, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall{42f966ea-3f14-421e-b847-27a8c7314cc0}, resume: None, restart: None, disable resume: No
[4A18:1F88][2020-10-20T12:20:41]i330: Removed bundle dependency provider: {42f966ea-3f14-421e-b847-27a8c7314cc0}
[4A18:1F88][2020-10-20T12:20:41]i352: Removing cached bundle: {42f966ea-3f14-421e-b847-27a8c7314cc0}, from path: C:\ProgramData\Package Cache{42f966ea-3f14-421e-b847-27a8c7314cc0}
[4A18:1F88][2020-10-20T12:20:41]i371: Updating session, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall{42f966ea-3f14-421e-b847-27a8c7314cc0}, resume: None, restart initiated: No, disable resume: No
[067C:30CC][2020-10-20T12:20:41]i399: Apply complete, result: 0x80070643, restart: None, ba requested restart: No
[067C:4B14][2020-10-20T12:20:47]i000: Launch ‘https://kb.workfusion.com/display/RPAe/Troubleshooting’ with parameters ‘’
[067C:4B14][2020-10-20T12:21:05]i000: Launch ‘https://kb.workfusion.com/display/RPAe/Troubleshooting’ with parameters ‘’
[067C:4B14][2020-10-20T12:21:16]i000: Launch ‘notepad.exe’ with parameters ‘C:\Users\toechsle\AppData\Local\Temp\WorkFusion_Intelligent_Automation_Cloud_Developer_20201020121803.log’