On startup. Whole solution analysis is on. Build1, VS2005 JetBrains.ReSharper.Util.InternalErrorException: An item with the same key has already been added. An exception has occurred ---> System.ArgumentException: An item with the same key has already been added. at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource) at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add) at System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value) at JetBrains.ReSharper.Psi.Util.AbstractPersistentCache`2.LoadData(String filePath) in w:\ReSharper\ReSharper\src\Psi\src\util\AbstractPersistentCache.cs:line 721 at JetBrains.ReSharper.Psi.Util.AbstractPersistentCache`2.Load(IProgressIndicator progress) in w:\ReSharper\ReSharper\src\Psi\src\util\AbstractPersistentCache.cs:line 611 at JetBrains.ReSharper.Psi.Util.SimplePersistentCache`1.Load() in w:\ReSharper\ReSharper\src\Psi\src\util\SimplePersistentCache.cs:line 72 at JetBrains.ReSharper.TodoExplorer.Impl.TodoManagerImpl.JetBrains.ReSharper.Psi.Caches.ICache.Load() in w:\ReSharper\ReSharper\src\TodoExplorer\src\impl\TodoManagerImpl.cs:line 124 at JetBrains.ReSharper.Psi.Impl.Caches2.CompositeCache.Load() in w:\ReSharper\ReSharper\src\Psi\src\impl\caches2\CompositeCache.cs:line 41 at JetBrains.ReSharper.Psi.Impl.Caches2.PsiCacheManagerImpl.LoadCacheJob.Do() in w:\ReSharper\ReSharper\src\Psi\src\impl\caches2\PsiCacheManagerImpl.cs:line 212 at JetBrains.ReSharper.Psi.Impl.Caches2.CacheUpdateThread.Run() in w:\ReSharper\ReSharper\src\Psi\src\impl\caches2\CacheUpdateThread.cs:line 100 — End of inner exception stack trace — at JetBrains.ReSharper.Util.Logger.LogExceptionEx(Exception, String, Boolean) in w:\ReSharper\ReSharper\src\Util\src\Logger.cs:line 341 column 9 at JetBrains.ReSharper.Util.Logger.LogException(Exception) in w:\ReSharper\ReSharper\src\Util\src\Logger.cs:line 353 column 5 at JetBrains.ReSharper.Psi.Impl.Caches2.CacheUpdateThread.Run() in w:\ReSharper\ReSharper\src\Psi\src\impl\caches2\CacheUpdateThread.cs:line 109 column 11 at System.Threading.ThreadHelper.ThreadStart_Context(Object) at System.Threading.ExecutionContext.Run(ExecutionContext, ContextCallback, Object) at System.Threading.ThreadHelper.ThreadStart()