new update:
now I can succesfully download the file (was a network problem)
but still can't finish the pmimport due to this
The item '1bf89561-394a-42e1-88b2-bae5f42874cc' was loaded as readonly and cannot be saved.
[Altiris.NS.Exceptions.AeXUnauthorizedAccessException, Altiris.NS, Version=7.5.1671.0, Culture=neutral, PublicKeyToken=d516cb311cfb6e4f]
at Altiris.NS.ItemManagement.Item.RaiseItemLoadFlagsSecurityException(String message)
at Altiris.NS.ItemManagement.Item.CheckCanSaveItem()
at Altiris.NS.ItemManagement.Item.Save()
at Altiris.PatchManagementCore.Policies.PatchManagementVendorPolicy.OnLoad()
at Altiris.PatchManagement.Policies.VendorPolicyWindows.OnLoad()
at Altiris.NS.ItemManagement.Item.Load(Guid itemGuid)
at Altiris.NS.ItemManagement.Item.GetItemInternal(Guid itemGuid, IEnumerable`1 accessPermissions, ItemLoadFlags itemLoadFlags)
at Altiris.NS.ItemManagement.Item.GetItem[T](Guid itemGuid, IEnumerable`1 accessPermissions, ItemLoadFlags itemLoadFlags)
at Altiris.NS.ItemManagement.Item.GetItem(Guid itemGuid)
at Altiris.PatchManagementCore.Tasks.Server.PMResourceImportTask.ExecuteTask(IServerTaskExecutionInstance instance)
at Altiris.PatchManagementCore.Tasks.Server.PMResourceImportTask.OnExecuteSingleton(IServerTaskExecutionInstance i)
**CEDUrlStart** :http://entced.symantec.com/entt?product=SMP&version=7.5.1670.0&language=en&module=p6+6o5iOYS20RH8RIl/i8Q==&error=-1445649547&build=**CEDUrlEnd**
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Date: 8/4/2014 2:13:01 PM, Tick Count: 3551409, Host Name: ALTIRISPROD, Size: 1.56 KB
Process: AtrsHost (8256), Thread ID: 201, Module: AtrsHost.exe
Priority: 1, Source: PMC:PMResourceImportTask.OnExecuteSingleton
File: C:\ProgramData\Symantec\SMP\Logs\a.log