Solution for Slow Network Browsing

To resolve this issue, follow these steps:
Click Start,
Click Run,
Type regedit,
And then click OK.
Go to registry subkey: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\NetBt\Parameters
In the right pane of Registry Editor,
Delete the following values if they are present: NodeType DhcpNodeType NodeType DhcpNodeType
If the NodeType value is present, this value will override the DhcpNodeType value.
If neither subkey is present and if no WINS servers are configured for the client, the computer uses b-node mode.
If at least one WINS server is configured, the computer uses h-node mode.
Quit Registry Editor.
Restart the computer.
Try to view workgroup computers on the network again