当我向 TFS 添加新工作项时，构建定义会抛出异常，如下所示：
Exception Message: Error HRESULT E_FAIL has been returned from a call to a COM component. (type COMException)
Exception Stack Trace: at Microsoft.TeamFoundation.WorkItemTracking.Client.DataStore.DataStoreNative.BeginDataStoreInit(IntPtr handle, String defaultCachePath, String instanceId, Int32 cacheVersion)
at Microsoft.TeamFoundation.WorkItemTracking.Client.DataStore.Datastore.BeginDataStoreInit(String defaultCachePath, String instanceId, Int32 cacheVersion)
at Microsoft.TeamFoundation.WorkItemTracking.Client.WorkItemStore.InitializeInternal()
at Microsoft.TeamFoundation.Client.TfsTeamProjectCollection.InitializeTeamFoundationObject(String fullName, Object instance)
at Microsoft.TeamFoundation.Client.TfsConnection.CreateServiceInstance(Assembly assembly, String fullName)
at Microsoft.TeamFoundation.Client.TfsConnection.GetService(Type serviceType)
at Microsoft.TeamFoundation.Client.TfsConnection.GetServiceT
at System.Activities.Runtime.ActivityExecutor.ExecuteInResolutionContextT
at System.Activities.InArgument`1.TryPopulateValue(LocationEnvironment targetEnvironment, ActivityInstance activityInstance, ActivityExecutor executor)
at System.Activities.ActivityInstance.InternalTryPopulateArgumentValueOrScheduleExpression(RuntimeArgument argument, Int32 nextArgumentIndex, ActivityExecutor executor, IDictionary`2 argumentValueOverrides, Location resultLocation, Boolean isDynamicUpdate)
at System.Activities.ActivityInstance.ResolveArguments(ActivityExecutor executor, IDictionary`2 argumentValueOverrides, Location resultLocation, Int32 startIndex)
at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation)
我无法确定根本原因。如果可以，请你帮助我！
当出现以下情况时会出现此问题：
1. 他们尝试创建一个新的工作项目——用户故事、错误、任务等。
2. 他们尝试编辑现有查询。
3. 他们尝试从查询结果集中打开工作项。
4. 他们通过 WI ID 搜索工作项。
请尝试两种方法来解决此问题：
- 重新启动机器服务器以安装 TFS
- 尝试删除路径喜欢的项目缓存：
C:\Program Files\Microsoft Visual Studio 10.0\Common7\IDE\ProjectTemplatesCache 或
C:\Program Files(x86)\Microsoft Visual Studio 10.0\Common7\IDE\ProjectTemplatesCache
然后运行“devenv.exe /setup”来重新构建缓存。
开始—>运行—>C:\Program Files\Microsoft Visual Studio 10.0\Common7\IDE\devenv.exe /setup
我遇到过这个问题。我已经通过使用#1解决了这个问题
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