Ubuntu 20.04及22.04桌面版下载失败问题求助

Hey Monica, sorry to hear you've had such a frustrating time trying to download Ubuntu 22.04 desktop—I know how annoying repeated failed downloads can be! Let's go through some common fixes that might help you get the ISO successfully:

• Check your internet connection stability
  Unstable networks are the most common culprit here—weak WiFi signals or intermittent bandwidth drops can kill your download. Try switching to a wired Ethernet connection if possible, or shut down other bandwidth-heavy devices (like streaming services or other active downloads) to free up your network during the process.

• Use a download manager with resume support
  Regular browser downloads often can't resume after an interruption, forcing you to start over. Tools like Free Download Manager or the command-line tool aria2 (use aria2c <your Ubuntu ISO download link>) support broken-point resuming, so you can pick up right where you left off if the download stops again.

• Switch to a closer/more reliable mirror
  The default download mirror might be overloaded or geographically far from you, causing slow or unstable transfers. Head to Ubuntu's download page and manually select a mirror from the official list that's closer to your location—this can drastically improve download stability.

• Check for firewall/antivirus interference
  Your system's firewall or antivirus software might be flagging the Ubuntu ISO download as suspicious traffic and blocking it mid-process. Try temporarily disabling your firewall (remember to re-enable it afterward) or adding the Ubuntu download address to your security tool's trusted list, then retry the download.

• Verify available disk space
  It sounds basic, but insufficient disk space can quietly halt downloads. Make sure the drive you're saving the ISO to has at least 4GB of free space—Ubuntu 22.04 desktop ISO is roughly 3-4GB in size, so you'll need a bit of extra room to avoid issues.

Give these steps a shot, and hopefully one of them resolves your download problem. If you still run into trouble, feel free to share more details—like any error messages you see, or exactly how the download stops—and we can troubleshoot further! 😊

备注：内容来源于stack exchange，提问作者user977490