Why is Crashplan so slow to upload my computer's files?

Solution 1:

Sounds like the problem is at their end. Or your data is not going to a server that is closest to you.

you might want to try this to change your server, but be warned that you will have to restart the backup all over and loose your current settings: Changing your CrashPlan Central server for better backup speeds

...How do I switch servers?

Well, turns out you can assign your box a new machine GUID (a random identifier) and it’ll get assigned to a new home server randomly.

In order to do this you double click the CrashPlan logo (a green house) twice on the main screen and type in the command “guid new”. This will reset your local CrashPlan instance requiring you to set it up as a new computer, losing all your configurations, even local backups. Not only that, you will have to start back over with your initial backup. You have been warned! You’ll want to delete the old instance for your computer on the Destinations tab after you have made a successful backup, too.

You should find what server it is using right now, and where it is... and if you try resetting using the above information, you should check again and see where it will be going and see if it is closer and not the same server again or even farther.