My bootsect.bak

May 2, 2010

Well i opened my bootsect.bak file and thats what it said.-

?R?NTFS �� ? ? ? � ? ? ?g?� � �?o ? � ???T??T? ?3???? |?h?��hf ??�� f?>� NTFSu�?A??U?�r�??U?u�??� u�?? �??�h� ?H?�� ??��?�???�?X�r?;�� u??� ?.� ��Z3?? +?f?�� ???�� ?@ +?w?? ??�f#?u-f??TCPAu$??��r��h�?�hp��h fSfSfU��h?�fa��?�?j�??f`��f?� f�� fh fP�Sh� h� ?B?�� ???�fY[ZfYfY��?� f?�� ???�� u?��fa???�?� ??�?� ???�???< t ?�?� ?�???

A disk read error occurred

BOOTMGR is missing

BOOTMGR is compressed

Press Ctrl+Alt+Del to restart

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f3??�fa?��???�?@???�?:? My sister was updating my computer when i was on holiday so i dont know which update she used

Ro wrote:

Bootsect.bak

28-Dec-06

After a clean install of Vista I noticed there is a file in C: Drive called

Bootsect.bak and is visible even with hidden folders options set to not show.

What is this file and why was it created in a clean install? Also, is it

safe to delete it?

Previous Posts In This Thread:

On Thursday, December 28, 2006 7:23 PM

Ro wrote:

Bootsect.bak

After a clean install of Vista I noticed there is a file in C: Drive called

Bootsect.bak and is visible even with hidden folders options set to not show.

What is this file and why was it created in a clean install? Also, is it

safe to delete it?

On Thursday, December 28, 2006 8:28 PM

Colin Barnhorst wrote:

Depends on what you mean by a clean installation.

Depends on what you mean by a clean installation. If you used the custom

install option then that did not result in a reformat of the disk.

..bak files can be deleted.

On Thursday, December 28, 2006 10:47 PM

Ro wrote:

Thanks for the reply Colin. Good to know it???s safe to delete.

I've done many clean installs of Vista but this is the first time I've seen

this file. I may have forgotten but I'm pretty sure I selected to have the

drive formatted during install (or main partition deleted? - can't remember

which now).

"Colin Barnhorst" wrote:

On Thursday, December 28, 2006 10:52 PM

Colin Barnhorst wrote:

I think the file is leftover from installation on a volume that had boot code

I think the file is leftover from installation on a volume that had boot

code for XP or W2k. In the event of an aborted installation Setup rolls

back to the legacy OS and would most likely rename the extension so that the

user could boot his old system.

"Rob" <Rob@discussions.microsoft.com> wrote in message

news:BE12F193-A06A-45BA-85E1-E1AF4FE30EFB@microsoft.com...

On Thursday, December 28, 2006 11:00 PM

Ro wrote:

So do you think something went wrong with the installation?

So do you think something went wrong with the installation? Would there be

left-over files from previous XP or Vista installs still on the drive? Any

easy way to find out?

I'm getting no indication of anything amiss here as it's working ok; just

the bak file in question is all.

"Colin Barnhorst" wrote:

On Thursday, December 28, 2006 11:00 PM

R. C. White, MVP wrote:

Hi, Rob.Was WinXP (or Win2K) on your computer when you ran Vista Setup?

Hi, Rob.

Was WinXP (or Win2K) on your computer when you ran Vista Setup? If so, you

probably also still have C:\NTLDR, C:\NTDETECT.COM and C:|Boot.ini, too.

These are the WinXP startup files that Vista's BCD (Boot Configuration Data)

will need for you to boot into the "previous version of Windows", if you

choose that option from the dual-boot opening menu of operating systems.

The file C:\BOOTSECT.BAK should be exactly 512 bytes; it is a copy of the

WinXP-style boot sector for the System Partition. If you look at it in

Notepad, it looks like gibberish except for a few error messages at the end

and "MSDOS5.0" at the beginning.

RC

--

R. C. White, CPA

San Marcos, TX

rc@grandecom.net

Microsoft Windows MVP

(Running Windows Mail 7.0 in Vista Ultimate x64)

"Rob" <Rob@discussions.microsoft.com> wrote in message

news:FFC453E3-A5AD-4521-8AB3-533CB1172B67@microsoft.com...

On Thursday, December 28, 2006 11:12 PM

Ro wrote:

Windows XP SP2 was on there.

Windows XP SP2 was on there. But I booted from the Vista DVD and ran a clean

install (at least I'm pretty sure I did - formatted my HD).

The bak file in question was 8kb in size but I already deleted it so I

cannot see what was in it. Also, I don't have NTLDR, NTDETECT.COM or Boot.ini.

"R. C. White, MVP" wrote:

On Thursday, December 28, 2006 11:12 PM

Colin Barnhorst wrote:

No. Setup will create the bak file during a normal installation.

No. Setup will create the bak file during a normal installation. It will

only need it if the installation fails.

Don't worry about it if you got a good install.

On Thursday, December 28, 2006 11:24 PM

Ro wrote:

Thanks Colin.

If you don't mind me asking one more silly question; during a clean install

I recall being presented with the options of Format drive and Delete

Partition (it's only one physical drive with one partition). Is it best to do

a Format, Delete or both?

I must have selected something I've not done before during this install

because, as mentioned, I've never seen this bootsect file before.

"Colin Barnhorst" wrote:

On Friday, December 29, 2006 12:29 AM

Colin Barnhorst wrote:

I always do a quick format if I am installing a fresh copy of Vista.

I always do a quick format if I am installing a fresh copy of Vista. I only

delete partitions if I was having boot problems and just want to start

completely over. Seeing a bootsec file is normal if the drive has

previously been the boot drive for XP.

"Rob" <Rob@discussions.microsoft.com> wrote in message

news:C8DDC88E-6413-4186-9289-45A176F16E6C@microsoft.com...

On Friday, December 29, 2006 10:29 AM

Chad Harris wrote:

Bootsect.bak and boot.bak are backup files from the previous xp bootloader.

They are not neededed for Vista, and they can be safely deleted.

CH

On Friday, December 29, 2006 6:42 PM

Ro wrote:

Hi Chad,I already deleted the file.

Hi Chad,

I already deleted the file. I am now just curious; is this file created

normally after every clean install of Vista? I had XP installed before I ran

the clean install but I thought when I selected the Format option during

Vista setup I would be wiping clean my drive, no?

I'm wondering what I did different this time as I've installed Vista before

on this machine but never noticed this file.

"Chad Harris" wrote:

On Friday, December 29, 2006 7:14 PM

Colin Barnhorst wrote:

We have answered this a few times.

We have answered this a few times. It is there because a previous version

of Windows was there. Vista does not automatically do a "clean" install.

It does a Custom install or an upgrade install. A custom install does not

format the hard drive before installing Vista. If you want a classic clean

install you have to format the drive before beginning the installation. If

you do an upgrade of course you are not reformatting. Vista will create a

bootsec.bak so that if the upgrade fails it can restore the bootablility of

your previous system. Why are you having trouble with this?

On Saturday, December 30, 2006 12:36 AM

R. C. White, MVP wrote:

Hi, Rob.I'm not sure of all the details.

Hi, Rob.

I'm not sure of all the details. I'm a retired accountant, fer gosh sakes,

not a techie of any kind. ;^}

But I think the answer involves the fact that the boot sector is NOT a file,

so it is not wiped out by a format. It is the first physical sector of each

primary partition or logical drive and, therefore, outside the file system;

it is not in any folder, not even the Root. Its contents are created during

installation of WinXP or some other operating system. It holds instructions

for use during the very early stages of booting, before the system even

knows how to handle partitions and directories. MS-DOS and Win9x created a

boot sector that told the primitive system to look in the Root of the System

Partition for the files io.sys and msdos.sys. WinNT4 through WinXP wrote

the boot sector to look there for the file NTLDR (no extension). I haven't

read Vista's boot sector yet, but I suspect that it looks in the Root of the

System Partition for the file bootmgr (no extension) and the folder \Boot.

When Vista Setup runs, it reads the boot sector and, if it finds a previous

version, copies it into a new file in the Root of the System Partition

(\BOOTSECT.BAK) for safekeeping until it is needed to boot the previous

operating system. If you create a dual-boot system, then each time you

reboot, the Vista system starts and gets to the operating system menu. If

you choose Vista, it continues through the BCD process. If you choose the

previous version of Windows, then BCD steps back out of the way and loads

BOOTSECT.BAK, which finds NTLDR and presents the WinXP-style menu from

Boot.ini.

So, yes, if you do not intend to dual-boot to a previous Windows, then you

can safely delete BOOTSECT.BAK, as well as NTLDR, NTDETECT.COM and Boot.ini,

if they still exist on your computer.

This may not be exactly correct. I hope Chad or Colin or some other techie

can clarify or correct any goofs I've made.

RC

--

R. C. White, CPA

San Marcos, TX

rc@grandecom.net

Microsoft Windows MVP

(Running Windows Mail 7.0 in Vista Ultimate x64)

"Rob" <Rob@discussions.microsoft.com> wrote in message

news:B380F79C-514D-442D-9E78-A48F4C7F6F94@microsoft.com...

On Saturday, December 30, 2006 2:04 AM

Ro wrote:

Sorry Colin; didn't mean for this to aggravate you or anything.

Sorry Colin; didn't mean for this to aggravate you or anything. I appreciated

your responses.

I guess I was hung up on the fact that during the custom install that I did

I was presented with a FORMAT Drive option and thought that actually meant

"format the hard drive", hence my reference to 'clean install', which in turn

led me to believe that it shouldn't matter what was there before (XP or

whatever else), it shouldn't leave the file in question after the install.

Anyhow it's not a big deal. Thanks again.

"Colin Barnhorst" wrote:

On Saturday, December 30, 2006 2:06 AM

Ro wrote:

Thank you for the response R.C. It somewhat makes more sense now. Cheers."R. C.

Thank you for the response R.C. It somewhat makes more sense now. Cheers.

"R. C. White, MVP" wrote:

On Saturday, December 30, 2006 2:26 PM

Robert Pendell wrote:

This is a multi-part message in MIME format.

--------------020009010106090305010001

Content-Type: text/plain; charset=UTF-8

Content-Transfer-Encoding: 7bit

Rob wrote:

I just read through this thread and I think I see where all the

confusion is at. Mostly because I did the same thing as Rob did. I

installed Vista "clean" but this drive also had held a previous OS. So

Vista formats the _partition_ but not the drive. Therefore the MBR is

left intact. Vista reads the MBR checking for a previous OS and backs

it up just in case if there is one found. So while Rob did do a "clean"

install by formatting the partition Vista still sees the old MBR and

makes a backup accordingly. The bootsect.bak is leftover from setup.

P.S. - mine is also 8KB in size -- file attached.

--------------020009010106090305010001

Content-Type: application/octet-stream;

name="BOOTSECT.BAK"

Content-Transfer-Encoding: base64

Content-Disposition: attachment;

filename="BOOTSECT.BAK"

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--------------020009010106090305010001--

On Saturday, December 30, 2006 4:22 PM

Colin Barnhorst wrote:

Vista does not necessarily format the partition.

Vista does not necessarily format the partition. Custom install is not a

classic clean install. To do a full format before installing one has to use

the Format tool in the Advanced Options when booting with the dvd. If

running from the legacy desktop this is not possible.

"Robert Pendell" <shinji257@uplink.net> wrote in message

news:%23mCwphELHHA.1816@TK2MSFTNGP06.phx.gbl...

On Thursday, January 04, 2007 10:31 AM

Mark Severso wrote:

I have two hdds...one has XP on it and the other...Vista.

I have two hdds...one has XP on it and the other...Vista. For both I deleted

previous partitions and did the full format for XP and the format option for

Vista. I choose which os i want to boot into when I start the computer. Why

am I seeing bootsec.bak file in my XP hdd? Is it safe to delete?

Thanks,

Mark Severson

"Robert Pendell" wrote:

On Thursday, January 04, 2007 10:55 AM

Mark Severso wrote:

NVM...i just read farther...so to keep my dual boot option...

NVM...i just read farther...

so to keep my dual boot option...looks like i cant delete it.

"R.C. White, MVP" wrote:

"Mark Severson" wrote:

On Sunday, June 17, 2007 2:23 PM

Eddy Nielsen wrote:

Problems

I have also installed a clean vista. And also got these Bak file on 8 kb. Maybe this bak file could help me????

I got a serious problem, I have all my pic,(even from holiday) music, movie, and a lot of more stuff in the shared folder on drive D:. And then i format the Drive C: and installed a clean copy of vista. Then When I was finished I found out that theese shared folder on drive D: also got a clean copy. So i might think they have got a new direction, and now theese Shared folders are empty. I have tried to use some recovery programs and other oppotunities but nothing found. And also if i type D:tree or dir in cmd nothing showed. But my harddrive space is that much filed like before i copy a fresh clean Vista. I think that theese shared folders on drive D: got some new path. Plz some maybe could be nice to reply this??

On Sunday, December 13, 2009 7:58 PM

cuthead cuthead wrote:

Thanks for answers

Thanks for Ro ask this question,when I google Bootsect.bak and the first result is this thread.I think we forget two important things,what's Bootsect.bak stand for?As RC said it's stand for Boot Sector,it's a Boot Sector back up file.

From wikipedia I got Boot Sector is in the first Sector of hdd(clindyer 0, side 0, sector 1),it occupies 512 bytes,include MBR (Main Boot Record) and DPT (Disk Partition Table).The MBR occupies 446 bytes,and DPT occupies 64 Bytes, end indicator occupies 2 Bytes.

The structure of the main boot sector is as follows:

000H-08AH: MBR booting program (searching for the booting partition);

08BH-0D9H: the MBR booting string;

0DAH-1BCH: spare area ("0");

1BEH-1FDH: disk partition table; and

1FEH-1FFH: end indicator ("55AA").

The DPT occupies 64 bytes (01BE-01FD), each partition occupies 16 bytes, so four partitions can be represented. This is the reason that each hard disk totally can include only four partitions, including main and extension partitions.

when hdd was format by fdisk /format,it will creat MBR and DPT .And that's why it's not clean install,it doesnot clean the MBR,I think maybe run fdisk /mbr before install can really clean Boot Sector so that Bootsect.bak won't appear.

Sorry for my bad english,hope you can understand,I'm not a geek so it can be mistake,if you found please mail to cuthead@live.cn,thank you so much.

cuthead and satanslash

On Sunday, December 13, 2009 7:59 PM

cuthead cuthead wrote:

I think I got it

Thanks for Ro ask this question,when I google Bootsect.bak and the first result is this thread.I think we forget two important things,what's Bootsect.bak stand for?As RC said it's stand for Boot Sector,it's a Boot Sector back up file.

From wikipedia I got Boot Sector is in the first Sector of hdd(clindyer 0, side 0, sector 1),it occupies 512 bytes,include MBR (Main Boot Record) and DPT (Disk Partition Table).The MBR occupies 446 bytes,and DPT occupies 64 Bytes, end indicator occupies 2 Bytes.

The structure of the main boot sector is as follows:

000H-08AH: MBR booting program (searching for the booting partition);

08BH-0D9H: the MBR booting string;

0DAH-1BCH: spare area ("0");

1BEH-1FDH: disk partition table; and

1FEH-1FFH: end indicator ("55AA").

The DPT occupies 64 bytes (01BE-01FD), each partition occupies 16 bytes, so four partitions can be represented. This is the reason that each hard disk totally can include only four partitions, including main and extension partitions.

when hdd was format by fdisk /format,it will creat MBR and DPT .And that's why it's not clean install,it doesnot clean the MBR,I think maybe run fdisk /mbr before install can really clean Boot Sector so that Bootsect.bak won't appear.

Sorry for my bad english,hope you can understand,I'm not a geek so it can be mistake,if you found please mail to cuthead@live.cn,thank you so much.

cuthead and satanslash

On Sunday, December 13, 2009 8:04 PM

cuthead cuthead wrote:

I think I got it

Thanks for Ro ask this question,when I google Bootsect.bak and the first result is this thread.I think we forget two important things,what's Bootsect.bak stand for?As RC said it's stand for Boot Sector,it's a Boot Sector back up file.

From wikipedia I got Boot Sector is in the first Sector of hdd(clindyer 0, side 0, sector 1),it occupies 512 bytes,include MBR (Main Boot Record) and DPT (Disk Partition Table).The MBR occupies 446 bytes,and DPT occupies 64 Bytes, end indicator occupies 2 Bytes.

The structure of the main boot sector is as follows:

000H-08AH: MBR booting program (searching for the booting partition);

08BH-0D9H: the MBR booting string;

0DAH-1BCH: spare area ("0");

1BEH-1FDH: disk partition table; and

1FEH-1FFH: end indicator ("55AA").

The DPT occupies 64 bytes (01BE-01FD), each partition occupies 16 bytes, so four partitions can be represented. This is the reason that each hard disk totally can include only four partitions, including main and extension partitions.

when hdd was format by fdisk /format,it will creat MBR and DPT .And that's why it's not clean install,it doesnot clean the MBR,I think maybe run fdisk /mbr before install can really clean Boot Sector so that Bootsect.bak won't appear.

Sorry for my bad english,hope you can understand,I'm not a geek so it can be mistake,if you found please mail to cuthead@live.cn,thank you so much.

cuthead and satanslash

On Monday, December 14, 2009 12:13 AM

Stan Starinski wrote:

When Processor first starts up, there is nothing at all in the memory

When Processor first starts up, there is nothing at all in the memory to

execute. Processor makers know this will happen, so they pre-program

Processor or Hardware Interrupt to always look at the same place in the

system ROM for the start of the BIOS program. This is normally location

FFFF0h, right at the end of the system memory. They put it there iso that the

size of the ROM can be changed without creating compatibility problems.

Since there are only 16 bytes left from there to the end of conventional

memory, this location just contains a "jump" instruction telling the

processor where to go to find the real BIOS startup program.

The BIOS performs the power-on self test (POST). If there are any fatal

errors, the boot process stops.

The BIOS looks for the video card. In particular, it looks for the video

card's built in BIOS program and runs it. This BIOS is normally found at

location C000h in memory. The system BIOS executes the video card BIOS,

which initializes the video card. Most modern cards will display information

on the screen about the video card. (This is why on a modern PC you usually

see something on the screen about the video card before you see the messages

from the system BIOS itself).

The BIOS then looks for other devices' ROMs to see if any of them have

BIOSes. Normally, the IDE/ATA hard disk BIOS will be found at C8000h and

executed. If any other device BIOSes are found, they are executed as well.

The BIOS displays its startup screen.

The rest I could explain only if you ask, but the above gives you an idea of

what happens when you press power or reset button.

On Monday, December 14, 2009 12:23 AM

Stan Starinski wrote:

You're welcome, friend.

Submitted via EggHeadCafe - Software Developer Portal of Choice

Server Side Processing in ADO.NET/WCF Data Services

http://www.eggheadcafe.com/tutorials/aspnet/db179aed-47fa-4f86-a4bf-4f6f92a76585/server-side-processing-in.aspx

May 2, 2010

"arturas guobis" wrote in message news:20105265812aguobis@yahoo.com...

> Well i opened my bootsect.bak file and thats what it said.-

Thank you for posting 35k worth of garbage. Another d!ckhead from egghead

strikes!

--

"Don't pick a fight with an old man.

If he is too old to fight, he'll just kill you."

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