About once  an hour I am getting a pair of  scheduler exception errors:  a partial listing of one (the one with the most info) is posted below:  It contains a VERY long list of files in the cache directory.  i am also getting another error every time a page loads.  (maybe post later) that appears to be permission related.

using DNN 5.5.1

ASP,NET identity is set to:  NT AUTHORITY\NETWORK SERVICE  (This is an externally hosted site - not sure this is correct)

I's appreciate any insight.

Thank You

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DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: dc0acd57-b12d-4f8f-90fa-f6ab63a290c6
InnerException: Deleted 0 files, however, some files are locked. Could not delete the following files: D:\hshome\myadmin\mydomain.org\Portals\7\\Cache\Modules\1033_ACABA51644A302FBB325E30E7931BAF8.data.resources;D:\hshome\myadmin\mydomain.org\Portals\7\\Cache\Modules\1055_ACABA51644A302FBB325E30E7931BAF8.data.resources;D:\hshome\myadmin\mydomain.org\Portals\7\\Cache\Modules\1056_ACABA51644A302FBB325E30E7931BAF8.data.resources;D:\hshome\myadmin\mydomain.org\Portals\7\\Cache\Modules\1057_ACABA51644A302FBB325E30E7931BAF8.data.resources;D:\hshome\myadmin\mydomain.org\Portals\7\\Cache\Modules\1058_ACABA51644A302FBB325E30E7931BAF8.data.resources;D:\hshome\myadmin\mydomain.org\Portals\7\\Cache\Modules\1059_ACABA51644A302FBB325E30E7931BAF8.data.resources;D:\hshome\myadmin\mydomain.org\Portals\7\\Cache\Modules\1060_ACABA51644A302FBB325E30E7931BAF8.data.resources;D:\hshome\myadmin\mydomain.org\Portals\7\\Cache\Modules\1061_ACABA51644A302FBB325E30E7931BAF8.data.resources;D:\hshome\myadmin\mydomain.org\Portals\7\\Cache\Modules\1062_ACABA51644A302FBB325E30E7931BAF8.data.resources;

Thanks for your reply.  I suspected all along that it was caus worker process ed by permission problems.  The Hosting comany deleted the site, re-installed NET 4.0, assigned a dedicated app pool worker process with the proper requisite permissions then rrestored the site from a backup.  That process solved the problem.