You can use the following procedure to change an icon associated with the selected application directly from the Results pane of the Application node in the Application Virtualization Server Management Console.
To change an application icon:

1. Right-click the application, and select Properties from the pop-up menu.
2. On the General tab, click the Browse button next to Icon Path.
3. Select the desired icon, or browse to another location to select the icon. After you've selected the icon, click Open.
4. Click OK to apply.
   The new icon appears in the Results pane. The new icon is also displayed in the menus and in the client desktop notification area.

When editing instrument stuff with DevMode, the game may crash occasionally...
Crashlog -> https://discord.com/channels/232316230852280320/289084393442639872/1130577791763623987

• Bug came
• Crashed game
• refused to elaborate
• left.

Never got it again, ill close this with the hopes it won't deviously wait behind the next corner to strike again.