HELP INSTALL

SOMEONE HELPS ME WHEN I TRY TO INSTALL THE FINGER OF THIS ERROR

root@sd-118495:~# cd ~
root@sd-118495:~# tar -zxvf WebGrabPlus_V2.0.tar.gz
tar (child): WebGrabPlus_V2.0.tar.gz: Cannot open: No such file or directory
tar (child): Error is not recoverable: exiting now
tar: Child returned status 2
tar: Error is not recoverable: exiting now