One of my rigs stopped and now won't restart. It's giving the  “not recognized as an internal or external command". I've spent over an hour doing all the usual things but it still won't work.
Does my .bat file look ok to you please? i can't see anything wrong with it. It has the full path in there

setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100
setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100
C:\Users\miner3\Downloads\PhoenixMiner_6.2c_Windows\PhoenixMiner_6.2c_Windows -pool eth-eu2.nanopool.org:9999 -wal **************/rig4 -pass x
pause