· Feb 22 2m read

Points to note when uninstalling InterSystems products on Windows

InterSystems FAQ rubric

To remove InterSystems products installed on your Windows system, use Add or Remove Programs in Control Panel (in Windows 10, select Apps from Windows Settings).

Since we will be making changes to the system, you will need to log in as a user with administrator privileges.

1) Log in to the system as an administrator.

2) From the system tray, exit the launcher of the InterSystems product instance you want to uninstall (click launcher → exit).

3) Add or Remove Programs in the Control Panel (for Windows 10, select Apps from Windows Settings)

Delete <InterSystems product> instance [xxxx] (where xxxx is the instance name).

Example: InterSystems IRIS instance [IRIS]

4) Delete the InterSystems product installation directory (C:\InterSystems\<InterSystems product> by default) using Windows Explorer.

After you uninstall all InterSystems product instances from your system using the steps above, you can remove any remaining information using the steps below.

<Complete deletion>

a. Delete related registry keys

Delete the following registry key(*).

[HKEY_USER\xxxxxxxx\SOFTWARE\InterSystems] (If this key exists, also delete it)
[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Intersystems] (64bit system only)

Caution: Incorrect registry operations can seriously affect your system. We strongly recommend that you perform a backup such as creating a restore point before performing this task.

b. Delete common files

Instance common files are stored in the following folder, so delete them using Windows Explorer, etc.

C:\Program Files\Common Files\Intersystems

c. Remove IIS additional components 

If IIS (Internet Information Services) is installed on your Windows system and additional components for IIS (CSP Gateway/Web Gateway) are installed, the following folder will exist, so delete it.


d.Remove VC++ runtime library

The following redistributed runtime libraries can be deleted if they are not referenced or used by other applications.

Microsoft Visual C++ 2008 Redistributable - x86 xxxx

*Delete using Apps and Features in Windows Settings.

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