It's only recently that I've been getting this error; I got stuck with some mobs in Mjolnir 3 map while leveling and used Fly Wing a couple times, then my character died and teleported to Prontera where I have my save spot. Then I started getting the "Cannot find File: sprite..." message followed by a string of random letters and symbols. The string of random ends with ".act" or ".spr". This is, as you can guess, super annoying to have happen in Prontera where there are a ton of new characters on screen every few steps.
I've looked on forum threads for solutions, but none of them work for me so far. I've re-installed and repaired the files, run the files as administrator, and everything. Nothing works. Can anyone please help me out?
Edit: Problem is fixed! See below for what I did; hopefully it'll help someone with the same problems.
1. Uninstall iRO.
2. Reinstall iRO using RO DLM (download manager; I got mine from WarpPortal).
3. If it you hit "Launch" at the last download manager screen after installation, you can choose to "Repair" files. I did this 3 times to make sure I had uncorrupted files.
4. Click the iRO shortcut or go into the Gravity folder and initiate the client. The patcher will run on start-up. I did this 3 times again to make sure I didn't miss a patch.
And that was all. Problem fixed. 
Edited by Ferrousoxide, 23 May 2015 - 07:38 PM.
