You need more drive space and this file consumes a lot of it
This is by design
This file is used for the windows sleep mode on notebooks. It has the size of the fysical memory of a computer. you should not just delete this hiberfil file, it is used by the system. To delete it properly you need to change the hibernation mode in the power options control panel. So you just de-select the 'Enable hibernate support' check box. Now the file fill be deleted by windows automatically.
About the Author
Wim Peeters is electronics engineer with an additional master in IT and over 30 years of experience including time spent in support, development, consulting, training and database administration. Wim has worked with SQL Server since version 6.5. He has developed in C/C++, Java and C# on Windows and Linux in different European countries and different European languages. He writes knowledge base articles to solve IT problems and publishes them on the Lubby Knowledge Platform where he is one of the most important contributors and the main developer.