Mass Effect Legendary Edition

Rogizz98 

You need to start the game being online at first. (Actually playing, not just starting the launcher.) 
After that it should work offline as well. 

Yes, I launched the game in the EA launcher online, then after that when I go to the launcher offline, it still requires that I be online

Rogizz98 

1. Press the Windows key and "R" at the same time.  
2. Enter or copy and paste "%temp%" (without the quotation marks) in the new window > press "ENTER”.  
3. Now Windows Explorer should take you to the “C:\Users\>Yoursername<\AppData\Local\Temp" folder.
4. Delete all files and folders in this folder.  
   (If some files or folders cannot be deleted, restart the PC and try again).  

Then:  

1. Make sure that EA app and Steam are closed.  
2. Go here and download "Revo Uninstaller". (The Freeware version, Portable version also works.)  
3. Run "Revo" > Uninstall EA app. (All games remain installed!)
4. At the end of the main uninstall, Revo will ask you which cleaning method you want to use. > Select "Advanced" > Browse.  
5. If "Remaining registration contracts were found" is displayed > Select all > Delete > Next.
6. If "Remaining data and folders" is displayed > Select all (make sure that the "Origin Games" or “EA Games” folder is not in the list.) > Delete.  
7. Restart the PC.  
8. Download EA app from here. (Even if you already have the exe.)  
9. Run the "EAappInstaller.exe" as administrator. (Right-click on the "EAappInstaller.exe" > Run as administrator).  
10. Test.
    
    You must be online at the first start of the game.