Check for any instances of SDRC Collect that are installed on the device. If SDRC Collect is already installed, then you will not be able to install SDRC Collect.
Yes. You may use the generic SDRC Collect application. You need to provide the server configuration details to enable downloading the forms and pushing data to the server. Follow instructions in the user manual.
Please check if you have provided the correct credentials (server name, user name, password, etc).