SK 2025-03-25

This section covers issues related to 3DEXPERIENCE Launcher Installation/Update.

Probable reasons for launcher issues can be categorized as below:

Network Proxy is blocking the 3DEXPERIENCE Launcher Connection.
Antivirus does not allow or blocks the 3DEXPERIENCE Launcher Connection.
Port used by 3DEXPERIENCE Launcher 20300, 33200 or 40600 is not open.
User does not have administrative privilege on the computer or does not have read/write access to hosts file.

About 3DEXPERIENCE Launcher and admin rights:

	Action	Account rights needed
Desktop Applications	Install of the media (WITHOUT the 3DEXPERIENCE Launcher)	Admin rights needed
	Update from the delta media (WITHOUT the 3DEXPERIENCE Launcher)	Admin rights needed
	Uninstall from control panel (WITHOUT the 3DEXPERIENCE Launcher)	Admin rights needed
	Online installation WITH the 3DEXPERIENCE Launcher	none
	Online Installation update WITH the 3DEXPERIENCE Launcher	none
	Online Un-Installation WITH the 3DEXPERIENCE Launcher	none
3DEXPERIENCE Launcher	Install of the 3DEXPERIENCE Launcher	Admin rights needed
	Update of the 3DEXPERIENCE Launcher	none
	Uninstall of the 3DEXPERIENCE Launcher from control panel	Admin rights needed

As a best practice, please check the following resources first if you are experiencing issues with 3DEXPERIENCE Launcher

QA00000299562 : List of Exceptions in proxy for 3DEXPERIENCE platform on Cloud 
Link: https://support.3ds.com/knowledge-base/?q=docid:QA00000299562

QA00000103253: Error when launching the native apps from 3DCompass: “Unable to retrieve install data” 
Link: https://support.3ds.com/knowledge-base/?q=docid:QA00000103253

Upgrade Guide: https://media.3ds.com/support/documentation/3DEXPERIENCE-Platform-on-cloud-Upgrade-Guide.pdf

3DEXPERIENCE Launcher Installation

Cannot open file "C:\\WINDOWS\system32\drivers\etc\hosts" Permission Denied

Probable Cause:

Firewall or antivirus software may be blocking the port.
User does not have access (Read/Write) to the host file.

Probable Solution:

Add exception in Antivirus.
Give Read/Write access to host file.

3DEXPERIENCE Launcher: netshadd Cmd = MY failed with code 1

Probable Cause:

Antivirus software may be blocking the port.

Probable Solution:

Add exception in Antivirus (Ex: SentinelOne) or disable antivirus to finish launcher installation.

3DEXPERIENCE Launcher welcome window [for install] appears each time user wants to open a Desktop App

Probable Cause:

Customer proxy or network is blocking the 3DEXPERIENCE Launcher connection.
Ad blocker settings prevent the launch of native applications, even when 3DEXPERIENCE Launcher is already installed.

Probable Solution:

Add “dslauncher.3ds.com” as a exception in the proxy and a permanent solution will be to configure users proxy server to account for this exception.
Also take a look at knowledge article QA00000316964

Unable to update 3DEXPERIENCE Launcher. Please try again or download and install manually

Probable Cause:

A recent change to users network can block the 3DEXPERIENCE Launcher Update. Automatically downloading and updating the launcher is blocked.

Probable Solution:

As suggested download launcher update and install manually
More permanent solution would be to allow "dslauncher.3ds.com" as an exception in the network proxy.

Failed to connect to the launcher in 3DEXPERIENCE Launcher Diagnostics

Probable Cause:

One of the causes of this issue is 3DEXPERIENCE Launcher is old and its certificate has expired.

Probable Solution:

Uninstall 3DEXPERIENCE Launcher from Control Panel.
Clear all the folders related to 3D Launcher (In Program Files and Program Data)
Clear the iNetCache files from internet settings.
Install a fresh launcher from the platform.

3DEXPERIENCE Launcher - The provided port is unreachable

Probable Cause:

Any one of the ports 20300, 33200 or 40600 are not open.
Network Proxy is blocking the connection.

Probable Solution:

Check with the IT if the ports listed above can be opened.
Check with the IT if "dslauncher.3ds.com" can be added as an exception in the proxy file.