I installed Windows 8 OS and Windows 7 OS files were moved as E drive and occupied nearly 70 GB in HDD. I tried to delete the files and unable to remove completely. I was able to rename the folder, but unable to delete many files.
Got the help from this post - How to Delete Undeletable Files in Windows 7 By Sandip Dedhia
Used commands to delete folder:
Got the help from this post - How to Delete Undeletable Files in Windows 7 By Sandip Dedhia
Used commands to delete folder:
takeown /f Old_C_dir /r /d y icacls Old_C_dir /grant administrators:F /t