References Microsoft Developer Network Blog: How to Recover That Un-Saved Microsoft Office Excel, Word, or PowerPoint File You Closed Before Saving Microsoft: How to Recover a Lost Word Document ...

If Hlink.dll file goes missing, is not found, or fails to load, Office programs like PowerPoint may not work properly and you could see errors.

If you are constantly getting a message to repair a damaged file in PowerPoint, here's a possible solution.