user25483: Help I always get this I dont know why]1

user18155: Instead of 
-i "video.av"i

use
-i "video.avi"

or simply
-i video.avi


25483: <p>Help I always get this I dont know why<img src="https://i.stack.imgur.com/n8kBG.png" alt="![Picture of the Problem">]<a href="https://i.stack.imgur.com/n8kBG.png" rel="nofollow noreferrer">1</a></p>
 18155: <p>Instead of </p>

<pre><code>-i "video.av"i
</code></pre>

<p>use</p>

<pre><code>-i "video.avi"
</code></pre>

<p>or simply</p>

<pre><code>-i video.avi
</code></pre>
