MetaStock and The DownLoader has temporary files that it creates. It normally deletes these files when you close it, but if it is shut down improperly, these files may not have been deleted. To delete these temporary files, do the following: Make sure that MetaStock and the DownLoader (and Servers if using Pro) are closed Click on Start | Find | Files or Folders (Or Search, depending on the version of Windows) For Named: type in ~MSFL.* Make sure the Look in field is set to C:\\ (Assuming your data is stored on your C:\\ drive) Make sure "Include subfolders" is checked. (Win 9x) Click on the find now button. Once the ~MSFL files are found, click on Edit | Select All. Click on File | Delete Start MetaStock again