abacab
 For some reason the installer dropped a "Pentagon I.dll" file in into the "shared dxi\Pentagon I" folder, along with "P1DXi.dll", where is must have been picked up as a VST during the VST scan.  Excluding the VST removed it from the insert menu.

This should not happen. I am pretty sure the "Pentagon I.dll" is the synth loaded by P1DXi.dll. If "Shared DXi" is getting scanned, the scan path should be corrected. Only paths containing VST2/3 plug-ins should be scanned. Scanning unnecessary paths has been known to cause problems.

scook
Only paths containing VST2/3 plug-ins should be scanned. Scanning unnecessary paths has been known to cause problems.

OK, pulled that extra path out of the scan. Seems to have cleaned up the duplication, no longer necessary to exclude it.
Thanks!

abacab
 
Thanks scook!  Registry hack was successfull 

 
Same here!

Is there a setting that will allow me to run everything as the administrator automatically, since I am the only one who ever uses my computers?

Thedoccal
Is there a setting that will allow me to run everything as the administrator automatically, since I am the only one who ever uses my computers?

You can probably find something if you google "run everything as administrator", but it is not a recommended best practice.
 
So in theory when you do that, anything that executes under your user account could execute with full system privileges.  Even that innocent looking file on your thumb drive, that web ad, or that flash video, etc. with a drive-by ransomware attached could run wild and make your life even worse.  The exploit kits are just looking for vulnerable systems to "own" and that is one way to do it.
 
One reason that Windows has been so notoriously insecure over the years is that the user has always run in admin mode, until the past few versions where UAC was introduced. The Mac and Linux/Unix systems have always run user accounts with permissions as low as possible to avoid this, which is why malware is rare on those systems. 
 
As an admin or only user, you can run in user mode and temporarily elevate to admin level to execute something that needs higher permissions, but for day to day you can enjoy added security, with a small price to pay in inconvenience.
 
At your own risk would be the best advice

Pentagon works for me in SPLAT. However, when I was on windows 7 I had issues and resolved this by moving it to different folders. I can't remember how I got this to work but when I went to SPLAT it just loaded just like any other Dxi. 
 
Also, what you could do is load your old in 8.5 disk and do a modified load of the plugins and just choose which one you want. Direct it to the correct folder if needed. I did this with the Lexicon Pantheon. 
 
Hope this helps. 

Anderton

abacab
 
Thanks scook!  Registry hack was successfull 

 
Same here!

Yes thank you very much.

CedricM
I just installed Pentagon 1 with my Sonar X3 setup files to add it to my Platinum installation.
You can choose custom install then only select Pentagon and not even install X3 or anything else.
 
After that:
Open regedit.exe
Go to HKEY_LOCAL_MACHINE\SOFTWARE\rgc:audio
Software\Dxi\Pentagon I
Right click on the Pentagon I folder and select
permissions
Set the permission for group users to allow full access and
click ok

Related: I have X3pro online in my account but I'm not seeing Pentagon (my fav). Is it interrogated into the X3 installation?
I know I have it on my old laptop. So I must have got it someplace. ha!
 
peace!
  

No I'm pretty sure it was gone in X3, but it was definitely there in 8.5
 
So..... 8.5, X1 or X2 saw it's demise

Bristol_Jonesey
No I'm pretty sure it was gone in X3, but it was definitely there in 8.5
 
So..... 8.5, X1 or X2 saw it's demise

I have the Pentagon DXi installed in Platinum.
 
The installer is definitely still there in the X3 installer.  I have 8.5, X1, X2, X3, & Platinum.  It's gone in Platinum.
 
I only put X3 and Platinum on my fresh Win 10 after clean installing.
 
Try re-running the X3 installer, select advanced install, and uncheck everything except the Pentagon DXi.  You should be good to go.