On some of my computers, the BOINC folder has grown excessively large. In some cases, over 35gb in size. I presume this is due to outdated (but not deleted) application executables, as well as old workunits that were never deleted.

Question - how do I purge all this useless data? Is there an easy way to get rid of the excess stuff without having to completely uninstall and reinstall BOINC?

Thx!

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You will be assimilated...bunghole!

Look at the project sub-folders, one at a time, to find out which project(s) are taking up the bulk of the space - from my experience, BURP, CPDN and Einstein are potential candidates.

Once you've identified where the space has gone, you can decide what to do. One tactic would be to set 'No New Tasks' for that project, finish (and report) all work in progress, and then detach/remove that project from your BOINC installation. That will remove the project folder completely: if you re-join the project, a new folder will be made, and only the currently needed files will be downloaded into it.

What about a project reset?

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You will be assimilated...bunghole!

What about a project reset?

Try it and see. I doubt it will be as comprehensive as a project detach.