Another annoying issue for Windows 7 come into notice i.e user unable to install Windows 7 and Windows Server 2008 R2 to a partition that has been formatted with a NTFS cluster size that is greater than 4096 bytes (4K). The following error message is displayed: “Setup was unable to create a new system partition or locate an existing system partition.” This issue is emerged due to BOOTMGR system fileā¦