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[Charlie Poole <charlie@xxxxxxxxx>]

Looking back at this, I see that you don't have a specific example. Can
you provide one?

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https://bugs.launchpad.net/bugs/681173

Title:
  better error messages for UAC/permission problems

Status in NUnit V2 Test Framework:
  Confirmed

Bug description:
  Sometimes NUnit has permissions problems with directories, and can't
  run tests.

  Windows User Account Control (UAC) tries to sandbox and isolate which
  EXEs can touch which locations inside AppData. I'm not 100% sure how
  this mechanism works, but I believe if an AppData directory is created
  with one EXE, and then a different EXE tries to access it, UAC will
  prevent it.

  This could be the source of the problem. It could be some other
  directory permissioning problem. The bottom line is, when this occurs,
  and NUnit can't load the assemblies or run tests, it's fixed by right-
  clicking on NUnit and choosing "run as administrator". Once you run it
  once as administrator, it fixes up the directory UAC permissions and
  then it shouldn't have this problem. Another solution is to delete the
  directories under appdata and then re-run.

  It might be nice if NUnit had some support for understanding it didn't
  have proper permissions to directories it needs, so it could throw a
  more sensible error. ("UAC is preventing me from touching this
  directory, either delete it or run NUnit as administrator"). However,
  I admit I have no idea how NUnit would detect this situation.

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