In Windows open CMD as Administrator and type BCDEdit and enter, if your Windows Boot Loader Path is xOsload.exe then you need to remove some files and repair your BCD.
NOTE: you will need to re-activate Windows afterwards, so make sure you have your Windows 7 key handy.
Boot to Windows Repair - Command
Del D:WindowsSystem32xOsload.exe
Del D:WindowsSystem32xNtKrnl.exe
Del D:WindowsSystem32Driversoem-drv64.sys
attrib c:ootcd -h -r -s
ren c:ootcd bcd.old
bootrec /rebuildbcd