Ik ben verheugd u mede te kunenn delen dat het gelukt is de applicatie vanaf de server te draaien op de client pc's.
Geen installatie nodig dus op de clientpc's
wel moest ik eerst met commande caspol -security off de hele beveiliging van het framework uitschakelen op elke clientpc.
Omdat ik dat niet zo veilig vond heb ik bij microsoft support gevraagd hoe ik specifiek bepaalde beveiligingen uit kon schakelen.
ik kreeg hierop het volgende antwoord:
It seems that you can configure specific rights for your code access security. To view the list open the Visual Studio Command prompt from START>PROGRAMS>Microsoft Visual Studio .Net>Microsoft Visual Studio .Net Tools> command prompt and then type : caspol
This will give you a list of all the options you can use to configure the security of your environment, for your information
You can view the current listing for you environment by typing : caspol -list
There you will see that for your INTRANET zone that there is only FileI/O READ right
1.2. Zone - Intranet: LocalIntranet
1.2.1. All code: Same site Web.
1.2.2. All code: Same directory FileIO - Read, PathDiscovery
To give your UNC path the correct rights to run (WITH security still set to ON) follow these instructions to create new code group for your UNC path :
1) Please open the Microsoft .Net Framework Configuration utility from Administrative Tools (you will need to do this on every machine that needs to run the application)
2) Expand the Runtime Security Policy node, the Machine node, the Code Groups node, the All_Code node, and then highlight the LocalIntranet_Zone node.
3) In the right pane select Add a new child code group to this code group.
4) Choose Create a new Codegroup, then click Next.
5) In the "Choose the condition type for this code group" list, select "URL".
6) In the "URL" text box, type the path of the share in the following format file:////\\computername\sharename\*
7) Click "Next". On the next page, select "Use an existing permission set", and then select "FullTrust".

Click Finish.
9) Restart Visual Studio.
You should be able to run your application from the UNC path with FULL TRUST setting for that URL ONLY, with security still on. If this does not work then you need to adjust this security setting for the LOCALINTRANET
Hope this helps you out with your issue and should allow you to run your application from the URL with security on.
En inderdaad, dit lukte ook.
Nu wil ik alleen nog weten of ik dit soort instellingen allemaal handmatig op mijn clientpc's moet doen, of dat dit ook met een of ander script kan in een of andere taal
Zoals het er nu naar uit ziet moet ik dus wel alle clientpc's handmatig wijzigigen.