Error 1 Couldn't process file AttendanceSystem.resx due to its being in the Internet or Restricted zone or having the mark of the web on the file. Remove the mark of the web if you want to process these files. FKRealSvrOcxTcpSample How to Solve How do I unblock a resx file? First, you can try to the following steps: Open the file explorer. and navigate to project directory. Search for *. resx. Right click the resx file, open the properties and check the option 'Unblock' Repeat #3 for each resx file. Reload the project.