Download and run JKDefrag, then retry your partition resizing.
http://www.kessels.com/JkDefrag/
Otherwise you'll need a disk management app like BootItNG
or Acronis Disk Manager. Best I remember each has a fully
functional time-limited trial version.
>I deleted the pagefile.sys and deleted the shadow copies by doing disk
>cleanup and selecting the delete shadow copy option yet I still am showing
>as being allowed to shrink by 50 GB when I have 148 GB free. What should I
>do?
> Is there some partition software avail that I can download? TIA