Windows 7 Install problem

[Muffin123]

So ive installed a 32 bit version of win7 on my laptop by accident a week ago, when my disk died. This is a brand new 1 week old hdd. Today i had the time and i wanted to reinstall 64bit windows on it, however when i install it, at exactly 88% in i get the error 0xC0000005. I also cannot clean my disk in diskpart as it says it cannot clean a boot disk, i also ran DBAN for 1 pass for 2 hours which didnt solve the issue. Any idea on how i can format the drive? Or fix to this error? It has all the requirements for windows 7 as its ran it for a year, also ram is fine.

[Naeaes]

Once you got to here: 

Spoiler

Did you Delete all the partitions? (actually delete, not just format?)

[Muffin123]

Yeah its one big partiton type system. I tried cleaning the disk, i cant, tried cleaning partition i cant. Says i cannot delete partition with boot info or something along those lines, should i leave DBAN on for full 3 overwrites?

 

Correction:

Drive 0: Partition 1 type: Primary

I cannot clean drive or partition, also cannot delete partition