چگونگی رفع ارور نصب موتور بازی سازی unity3d در اوبونتو

[Garoos]

سلام من تازه  اوبونتو نصب کردم و میخوام از unity3D اخرین نسخه که برای لینوکس داده استفاده کنم ولی نمیدونم چرا ارور میده خواهش میکنم کمک کنید دوستان

ارورش هم اینه :‌

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(Reading database ... 208201 files and directories currently installed.)
Preparing to unpack /home/garoos/Desktop/unity.deb ...
Unpacking unity-editor (5.3.2f1) ...
dpkg-deb (subprocess): decompressing archive member: internal gzip read error: '<fd:4>: incorrect data check'
dpkg-deb: error: subprocess <decompress> returned error exit status 2
dpkg: error processing archive /home/garoos/Desktop/unity.deb (--install):
 subprocess dpkg-deb --fsys-tarfile returned error exit status 2