So this error code is meant to signal that another installation is already in progress. In most cases, the error code 1618 with Google Earth PRO will occur due to a conflicting congruent installation that is also handled by your Windows computer as you’re trying to install Google Earth. Method 1: Finishing the Congruent Installation In this case, should be able to fix the problem by repair installing (in-place Repairing) your current OS installation or by clean installing. System File corruption – Under certain circumstances, you can expect to see this error code due to some type of underlying system file corruption affecting your Windows installation.In this case, you should be able to fix the problem by running a Registry Clean.

Corrupted registry files – If this current OS installation previously had a different installation of Google Earth, chances are there are some Registry files that are still present and conflicting with the new installation.In this case, you can get rid of the error by installing a newer version or by forcing the installer to run in compatibility mode with Windows 7 or Windows 8.1. Incompatible installer version – A couple of affected users have confirmed that you can expect to see this error code if you’re trying to install an older Google Earth PRO build on a Windows 10 computer.If you’ve modified the default permissions granted via UAC, chances are you’ll need to force open the installer with admin access in order to avoid this error code.

Insufficient permissions – As it turns out, this issue can also occur if the installer doesn’t have the necessary permissions to install Google Earth PRO.

If this scenario is applicable, you should be able to fix the problem simply by restarting your computer and repeating the process once the next startup is complete.

Temp file glitch – According to some affected users, this issue can also occur in instances where a temporary file glitch is preventing the installer from completing the operation.

If this scenario is applicable, you can fix the issue either by finishing the congruent installation or by force stopping it conventionally or by utilizing Task manager.

Congruent installation – As the error message states, the most common cause that will cause this error code is a different installation that Windows Installer (msiexe.exe) is handling at the same time.

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