UPDATE YOUR SRW BY DELETING THE ENTIRE COP FOLDER AND REINSTALLING COP AND THEN MOVING SRW INTO COP AND OVERWRITTING EVERYTHING IT TELLS YOU TO,1.6 IS NOT COMPATIBLE WITH THE EARLIER VERSION
A new version of SRW released 2 days ago,as such I have updated the translation and uploaded the new files,there are various changes mainly that the game should run smoother and there are more customization options to UI and many visual options all of which can be turned on or off on the advanced settings of game,under the options menu.
You can read the entire changelog here (you can use googles auto translate feature) here Ap-pro.ru