4 votes
Accepted

Error: Gedit not opening on VirtualBox Ubuntu 14.04

The VirtualBox version of the appliance currently has an issue with the gedit install. Staff are aware of it and are working on a fix. In the meantime, run this: sudo apt-get update sudo apt-get ...
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  • 18.4k
3 votes

Why can't I import the Appliance OVA into Virtualbox?

I am not sure if this is still relevant, But I believe creating a new virtual machine is the solution. New Give a name to your VM Type: Linux Version: Ubuntu (64 bit) - But when I loaded the VM it ...
user avatar
  • 139
3 votes

Opening the Appliance VM in VirtualBox frequently fails with errors

There're some solutions to try here. Run VirtualBox as admin Go to C:\USERS\<username>\AppData\Local\VirtualStore\Program Files and then rmdir /s \Oracle Turn off Windows Driver Verifier ...
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  • 1,140
2 votes
Accepted

Failed to open a session of vrtual machine, Non existent host networking interface name "VER_INTERNAL_ERROR"

The first and the foremost solution to the problem was google, which lead me to this link where David Sir posted about this error. Although that was on Mac OS X. The link redirects to this, 3rd topic ...
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  • 3,326
2 votes

Why can't I import the Appliance OVA into Virtualbox?

If you received this message: "Failed to import appliance C:/Users/Username/Downloads/appliance50-17/appliance50-17.ovf. Error reading ":/Users/Username/Downloads/appliance50-17/appliance50-17.ovf": ...
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2 votes

Appliance install on Linux - No go with VMware or VirtualBox on Linux Mint, Ubuntu

I am using the Appliance on Ubuntu 14.04. Initially I tried VMware and ran through lots of trouble, but then I used VirtualBox (which I had previously installed,) and everything worked fine. After ...
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1 vote

Why can't I import the Appliance OVA into Virtualbox?

I'm currently using a windows 10. I have re-downloaded the virtual machine and it's still displaying this message. Can someone help me with this?
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1 vote
Accepted

Problem with Virtualbox and Course Appliance

Version 3 of the appliance is years old. You should be using version 2014. As a CS50x student, you can get a "valid until end of 2015" VMWare Fusion 7 license via the CS50x Software Center as ...
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  • 18.4k
1 vote

CS50 appliance not working with windows 10

I get the same error message. I installed my virtual box and appliance in windows 8.1 and it worked perfectly with windows 8.1. After the upgrade without changing anything else, it doesn't work ...
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1 vote

How to fix the "failed to import appliance" error?

if you direct-downloaded the appliance, it's possibly that the file was corrupted. try torrent-downloading the appliance. for VirtualBox: http://mirror.cs50.net/appliance50/2014/releases/29/...
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  • 17.4k
1 vote
Accepted

CS50 Appliance won't connect to internet in VirtualBox

Try setting your Adapter 1 as NAT and disabling the other 2 adapters. You may need to enable the Host-only adapter later (when you reach pset7). Update: you should also enable the "Cable-connected" ...
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  • 17.4k
1 vote

VirtualBox won't launch after set-up wizard says installation is complete

These are the steps: File, import appliance, appliance to import (click on the folder and find the appliance -- open virtualization format (.ovf)) and accept the defaults. This should work.
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1 vote

dropbox download fail

I had this problem. The reason was in cs50 Appliance's network settings. I had changed all of adapters to "host-only" instead of only second adapter. After deleting Appliance and mounting it again I ...
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1 vote

No IP address in the appliance with VirtualBox

The "No IP address" problem is caused as the cs50 appliance expects the ip address to be on eth1. Try the following link and it should solve your probem. https://cs50.stackexchange.com/a/7807/3225
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  • 428
1 vote

My VMware Player and Virtual Box is not working!

Most of the times Vmware Player or Virtual Box doesn't work because virtualization features haven't been enabled on your Computer Hardware. You have to "turn on" this setting on your BIOS setup, a ...
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1 vote

How do I connect VirtualBox to the Internet without hardware virtualization?

I used VirtualBox under linux Ubuntu 14.04 without hardware virtualization, and switched to HAV only some days after I started the course. You should be able to access Internet without HAV. On this ...
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  • 1,156
1 vote
Accepted

Appliance fails to boot

Download VMplayer instead. It is a breeze.
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Only top scored, non community-wiki answers of a minimum length are eligible