Setup failing: windows permissions and firewalls

Tiffany Hodkinson -

In some circumstances the Pyrusium installer fails.  This is usually down to Windows permissions, firewalls or a failure to download individual installer components.  Please work through the following:


Windows Permissions and Firewalls:

In order for Pyrusium installations and updates to work as expected, workstations need to be able to access the following locations:

The installer will download.Net 4.5 and VCRedist from Microsoft if not found.

The installer scope is ‘perMachine’ so updates will be made as follows: 

  • registry entries will be written to: HKEY_LOCAL_MACHINE
  • shortcuts will be added to the “all users” start menu
  • application files saved to: Program Files and ProgramData
  • log files written to C:\Users\<User Name>\AppData

It does this by displaying the UAC prompt and then running with elevated privileges.  If the user can authorise UAC then writing to these folders should not be a problem.



The latest version of the installer is always located here:

For further detail on the installer process refer to this page: 


Manual Installation:

Where the installer continues to fail please run through the following steps:

1. Install Visual C++ Redistributable Package for Visual Studio 2013:

2. Check the registry entry has been created:

  • HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\VisualStudio\11.0\VC\Runtimes\x86 or HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\VisualStudio\11.0\VC\Runtimes\x86
  • DWORD Value: "Installed" with a value of 1

 3. Download the following files and place them all in c:\temp:

4. Run c:\temp\PyrusiumBundle.exe.  This should call the 2 .msi files from the local folder avoiding problems with accessing and downloading.

Have more questions? Submit a request


Article is closed for comments.
Powered by Zendesk