- The file is in use by another program or user
- Make sure the disk is not full or write-protected and that the file is not currently in use
- Cannot delete file: Access is denied

Today i want to share a trick to delete such files very easily and you will never treat such situation as problem after knowing. Follow the instructions:
- Open Notepad
- Click File then Save As
- Browse the folder where the undeletable file is located.
- Now choose "All files" from the file type box.
- Select the undeletable file clicking once on that.
- Now save the Notepad file (A message will appear to confirm the replacement of the deletable file.just click on yes) that replace the undeletable fiel.
- Now you can delete the file as normally.
And i am sure this tips will be helpful for you. If you face any further problems deleting file then you can notify me. I will try my best.