All 4 of my projects have been "project backoff" for the past 2 days. I have not been able to download anything for BOINC to work with. Is there a way to resolve this?

I am doing Seti, MilkyWay, climateprediction, and the alpha 7.0.20 project.

Please post an excerpt of your messages, about what BOINC says on requesting work. Make sure projects are allowed to fetch work and that the network activity is set to preferences or always available. Also useful to check if the projects have work, also for the applications you chose to run, and are up.

And since you're running an alpha version of BOINC:
REMINDER TO ALL ALPHA TESTERS:
It's far easier for the developers to fix problems when you send message logs with the appropriate flags set. The main flags are:

<cpu_sched_debug>: problems involving the choice of applications to run.
<work_fetch_debug>: problems involving work fetch (which projects are asked for work, and how much).
<rr_simulation>: problems involving jobs being run in high-priority mode.
<sched_op_debug>: problems involving scheduler operations and other low level information.

Use these flags from the cc_config.xml file.

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A re-install fixed the issue.