My friend can't install DMD 2.076.0 after he deleted contents of C:\D

[Enjoys Math]

On Sunday, 17 September 2017 at 05:30:51 UTC, Enjoys Math wrote:
>
> Series of messages from installer:
>
> DMD v2.076.0 is installed on your system
> Press 'OK' to replace by DMD 2.076.0
> An error occurred when removing DMD v2.076.0
> Run 'dmd-2.076.0.exe /f to force install
>
> And using the command line has no effect - it repeats the above.
>
> He got into this situation by accidentally installing Visual 
> Studio and / or Visual D to C:\D where I told him to install D 
> to.
>
> At one point I told him to delete everything in C:\D and start 
> over.  *That* was a mistake...
>
> He's used a trial version of Revo-Uninstaller to remove 
> contents of registry.  The issue remains.  How can we repair 
> his system so that we can install D on it again?
>
> Thanks.



I sent him a copy of uninstall.exe from my D install root and 
Revo then "removed D from the list" so that seemed to work.  We 
ran D installer again and it worked!