Solarwinds Advanced Subnet Calculator (ASC) is a great, freely-available tool to generates lists of IP4 networks. I recently ran into an issue installing it in a Windows 7 virtual desktop. It would run fine for administrators, but regular users received errors like this and this.
I broke out Process Monitor and Regshot to investigate what was going on here. I found that regular users could not register the SWLogo.ocx file listed in the above link. This makes sense as I had applied reasonable security on non-admins.
I reinstalled the ASC as the local admin (i.e. non-domain administrator) and that fixed one error for users, but a new one popped up. Running Process Monitor again, I found that ASC was expecting read/write permissions on
This folder contains a series of bitmap banner ads for Solarwinds products. Not at all unreasonable for a free tool. Once I modified permissions in the disk image to allow users to modify this folder, I was back in business.
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