Mac error -43 File not found end up with raising certain serious problems. This type of issue may appear occasionally but whenever it comes you would be completely restricted to transfer or copying files from one Mac drive to another. Typically you might get this error while transferring data from Mac system to external drive. However Mac error -43 File not found will come across in internal drive as well. Usually there could be issue with disk permissions which can cause this problem, but certain other unknown factors would be responsible for showing this error. Now moving to the solution and to resolve Mac error -43 File not found, you can try transforming disk permissions through disk utility. Alternatively you try repairing drive problem through disk utility too. But if you still see this error code then reformatting the drive is mere choice left. After doing so there might be data wipe out comes up which can be resolved by restoring file with time machine backup. In case unavailability of backup no need to bother because thanks to Mac Data Recovery Software recovery gets done effectively. So Mac error -43 File not found must be fixed soon because it does not let you to access your file someway or the other.