Attempted to convert 900 GB SSD from MBR to GPT. The SSD has more than half of free space. It's on this drive that my OS is installed (Windows 10 x64).
I received the apop up explaining there is not enough space ??
The only solution I found on the forum is to create an unllocated space at the end. It's what I did but it does not work.
Thank you for your help.