You [don't] have to weed because the client does that already and most probably it's because you run an over-sized cache. You're always here, you know WCG is always up, so if you don't have to, set the connect + additional buffer so that the sum does not exceed 2.5 days. This 2.5 days helps preventing receiving short deadline repair tasks, so they will always be 7 days minimum (HCC+the Mirage DDDT2 A type) or 10 days... Also WCG has a secret grace period, so if your HCC job takes 7.5 days before returned it will still be excepted accepted, albeit it could end up being redundant (3rd wheel on a bicycle), if the servers did not get to tell the extra wingman that yours came after-all.

And yes, you had that right in your follow up post... moving not possible, but deleting is, long as no one has hit the direct post reply button. ;>)

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Edit: Forgot time UTC answer. In your client you see the UTC time converted to your local time, so in Denmark it would show for instance as 13:00 in winter and on the Result Status page as 12:00. With DST in effect yours would then be 14:00.

Edit2: Spell did not warn for excepted, when accepted was meant