ESET Antivirus Installation failed with Error 5001

Issue: ESET Antivirus Installation failed with Error 5001 in Event Viewer and also says that the computer has not been restarted after a program installation.

Environment: Windows 7 Pro x64

Details: I was trying to install ESET Antivirus on a workstation, and the ESET kept on failing with the following error message:

Log Name:

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Passionate for Latest Gadgets, a Computer geek by Hobby, and luckily Profession too. Started my career in 2005 with IBM, worked with Microsoft later. Back in 2009, started Pledge Technologies ( (parent company to Grishbi). We, at Pledge Technologies, provide IT Consulting to SMBs across US & UK. Specialized in Microsoft Technologies like AD, Exchange, etc., and lot of experience of Office 365 Migration for various clients. Grishbi is a platform where we express what we learned today, and share it with world.