Differences

This shows you the differences between two versions of the page.

--- rhino:200 [2022/03/11]
kelvin
+++ rhino:200 [2025/09/02] (current)
maryfugier [Rhino 8 won't start with this error]
@@ Line 1: / Line 1: @@
 ====== License manager initialization failed with error -200 ======
-**Problem:**\\
+{{:rhino:error-200.png?400|}}\\
-Rhino 6 displays this error and will not run. \\
+===== Rhino 8 won't start with this error =====
+  - Do all the Windows updates
+  - Reinstall active MS .NET Runtime 8.0.19: https://dotnet.microsoft.com/en-us/download/dotnet/8.0
+  - Start Rhino and test
+===== Rhino 8 STILL won't start with this same error =====
+If Rhino will //still// not open without this error, modify the Rhino shortcut with the /netfx switch.
+Be sure to add a space before /netfx.
+{{:rhino:rhino_netfx_switch.png?400|}}
+-
+Add this to the Rhino 8 shortcut as show above.
+/netfx initializes .NET framework 4.8.
+Now open Rhino with the short cut.
+For additional help, email Technical support at **tech@mcneel.com**.
+//Include your Rhino System Information: in Rhino type **SystemInfo** command.
+Copy and paste the text results into your reply//
+===== Rhino 6 won't start with this error =====
 **Solution 1:**

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