Editing problems

Starting off editing I emailed myself all the footage from my phone and downloaded it to my computer. Next I pulled up my editing app called clipchamp and imported all the videos onto the app. I then started to edit and crop the videos down to the correct length and size making sure the video reached and did not go over or under the time limit required. This was when the first of many editing problems started to occur. As I was importing the video into the app they were taking forever. Each and every video took like 7 minutes just to upload to the app even though they were only like 5 second clips. I tried fixing this just by shutting down my laptop and starting over. When I pulled back up Clipchamp and started to import my videos to put them all together the same thing was occuring so I just had to wait and wait until I got each and every clip into their and there was dozens. Instead of everything importing quickly I spent lots of time sitting there and just waiting and waiting f...