A TCP error (10013: An attempt was made to access a socket in a way forbidden by its access permissions) occur

Bonjour

J'apprends wcf et je viens juste d'ecrire mon premier code.
mais j obtiens cette erreur

Code:

A TCP error (10013: An attempt was made to access a socket in a way forbidden by its access permissions) occurred while listening on IP Endpoint=0.0.0.0:8080.

Qui semble un probeme de socket. je travaille sur w7.
Merci d'avance

code a toute fin utile

Code:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <system.serviceModel>
    <services>
      <service name="Tasks.Services.TaskManagerService"
              behaviorConfiguration="Tasks.Services.TaskServiceBehavior">
        <host>
          <baseAddresses>
            <add baseAddress="net.tcp://localhost:8080/Tasks.Services/TaskManagerService/" />
            <add baseAddress="http://localhost:8080/Tasks.Services/" />
          </baseAddresses>
        </host>
 
        <endpoint address="TaskManagerService"
                binding="basicHttpBinding"
                contract="Tasks.Services.ITaskManagerService"/>
 
        <endpoint address=""
                  binding="netTcpBinding"
                  contract="Tasks.Services.ITaskManagerService"/>
 
        <endpoint address="mex"
                  binding="mexHttpBinding"
                  contract="IMetadataExchange" />
      </service>
 
    </services>
    <behaviors>
      <serviceBehaviors>
        <behavior name="Tasks.Services.TaskServiceBehavior">
          <serviceMetadata httpGetEnabled="true"/>
          <serviceDebug includeExceptionDetailInFaults="true" />
        </behavior>
      </serviceBehaviors>
    </behaviors>
  </system.serviceModel>
</configuration>