What Does The Header Checksum Does Not Match The Computed Checksum Mean

Apr 27, 2012

When i start my laptop which has windows 7 I get this message "This file might be corrupt. The header checksum does not match the computed checksum".

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BootMGR Image Corrupt - File Header Does Not Match To Computed Checksum

May 10, 2011

I've got Windows 7 x64 installed and my power went out during boot today. After restarting, I got this error during boot:
"BOOTMGR image is corrupt. The system cannot boot."

I put in my Win 7 disc and tried to boot from it, but after pressing "any key to boot from cd / dvd .." I get this error:
"The file is possibly corrupt. The file header checksum does not match the computed checksum."

All the fixes I can find online have to do with using the recovery console, which would be awesome, if I could actually get to that point. I even tried my old Vista and XP discs, but I don't even get as far as above. The computer just stops with a small cursor near the top, often having to be powered off to restart because ctrl+alt+del doesn't even work. A fresh install is just not an option because I have important business data on the computer that I can't afford to lose. Also, I literally couldn't do that even if I wanted to since none of my windows discs will even load.

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Jan 10, 2013

In just 2 folders (of many) on my thumb drive, I have checksum folders/files. Why are they there? Is there something I should do?

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Windows Experience Index For System Could Not Be Computed

Jun 11, 2011

So I keep getting this error when trying to run WEI so that I can get the previews for the taskbar.

-- Error message --
The Windows Experience Index for your system could not be computed.
Could not measure storage performance. Error: Failed to properly assess the disk. The data is invalid.
-- End error message --

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The Windows Experience Index For Your System Could Not Be Computed

Mar 11, 2011

Several weeks back I started getting an error every time I ran the WEI in one of my computers. It would stop near the end of its run with the following error:The Windows Experience Index for Your System Could Not be Computed Could not measure storage performance.Error: Failed to properly asses the disk.The parameter is incorrect.(Parameter ??? There's nothing I like better than a nice cryptic explanation)And get this... Today I ran the WEI on my 2nd computer and now it's producing this same error. And yet, both computer's HDDs check out fine, There are no flags in Device Manager, and no problems elsewhere.I haven't done anything pertaining to the HDD in either machine. If I remember correctly, I noticed the problem after swapping the graphics cards between machines, although I can't understand why that would affect the HDD error in WEI. In both instances I did a clean re-install of the latest drivers. Both systems are kept clean of garbage and both are running Win7x64.

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Nov 23, 2012

I'm going to need to do a little video editing (with the After Effects trial) in a few weeks' time, so I decided to practise a little beforehand so that my edit isn't half bad. When doing a RAM preview, it only loads at around 10 FPS which takes ages if I'm doing a slow-mo effect. When I built this PC, I only put 8GB of RAM in it as I wasn't planning on doing any video editing, but now that I am, I'm considering an upgrade. Is it unwise to mix and match different brands of RAM? I'd have to match the timings, speed and voltage, but apart from that I can't think why it would matter.

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Apr 13, 2011

I have to print a few dozen PDFs, each of which have between ten and one hundred pages each. The problem is, none of them actually reference their source, so when my boss reads them next to each other and piles them together, he has no way of knowing which ones came from which PDF. Is there a way I can add a "header" to the top of each page of a printed PDF, much like how when I add page numbers to a print job they go in the "footer"?I'm running Windows 7 and printing a PDF from Firefox. If it allows for more customizable print jobs I can print the PDF from Adobe Reader.

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[BSOD] Bad Pool Header

May 22, 2011

my laptop has had a variety of problems from viruses which I seem to have got rid of to bsod twice , now i cant get in the pc at all?

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Jun 25, 2012

I posted a query in the Crashes and Debugging section, but I want to change the header text, as it seems to be scaring people away. I am able to edit the main text of the thread but not the header itself. Does anybody know how I can do this?

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Sep 9, 2012

I have a Corsair case with an Asus P8Z77 LX motherboard. I have already had Corsair send me a replacement front panel connection for the USB 3.0 ports, and am now stuck at what to do. Basically USB 2.0 connection speeds are abysmal over the front panel USB 3.0 ports. USB 3.0 (Hard disk and flash drive) drop connections promptly. Sometimes things can be copied from them successfully at a reasonable speed. But writing any data to them it always, every time drops out and Windows 7 reports that the device is no longer available.

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Apr 27, 2011

I wish to install a header and footer in Office 2010 (Window 7) on the first page only. It is ipossible for me to follow the instructions in Word 2010 help.

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Nov 15, 2011

THE OS of my net book is Windows 7 Home Premium and I would like to know why I cannot find a FILE when i type its name in "Search for programs and files" in Start Menu. It can only show PROGRAMS you would like to find. Ex. I would like to find techguy.doc. I knew the file is in my system but I cannot search it in Start Menu Search Panel for quick access. It says No Items match your search. In contrast, in my desktop (OS is Windows 7 Ultimate) it can find specific file ( pictures, music, doc etc) and also the programs. I would just like to know if it depends on the Windows Edition.

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Jul 10, 2012

It fits the socket but does it have to support the CPU as well? I want to buy a cooler and i see in the description that other than the socket they also list what CPUs are supported.

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Jun 9, 2011

I've gone through every BIOS, network card, and windows setting I can find any reference to over the last 48 hours, to no avail. I've mostly isolated the problem, just can't find anything that shows me how to fix it.

System Details:

Asus P5B-Deluxe w/ WiFi, Latest BIOS Update
On-board Marvell Yukon 88E8001/8003/8010 PCI Gigabit Ethernet Controller - Enabled and being used - latest Driver installed
On-board Marvell Yukon 88E8056 PCI-E Gigabit Ethernet Controller - Disabled and unplugged - latest Driver installed
Intel Core2Duo E6800
2GB DDR2 RAM
ATI Radeon HD3870

I've got the system setup so that the network card SHOULD only wake up the computer if it sees the "Pattern Match" packets which have supposedly been improved in Windows 7. Magic Packet just won't work for what I need, so I disabled that even for the sake of ruling out issues.

Issue: Any time ANY network traffic comes across the network card, the computer comes out of sleep, even though I'm quite sure they don't fit the "pattern match" that it's supposed to be looking for. I've done packet sniffing etc, and the card is behind a switch all by itself. I have proved this theory a number of ways, including disconnecting every other device on the network which allows the computer to stay asleep, but as soon as you turn another device on, this one wakes up.

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Jan 18, 2012

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Feb 27, 2012

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May 18, 2012

Has someone found a way to make the mail preview pane header smaller as it was in Outlook Express? It occupies so much space that it makes it annoying! If I make it disappear also disappears the possibility to add the sender to recognize it as secure and the link to view images.

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Sep 4, 2012

why i am getting bluescreen everyday.I tried to reinstall everything on my end also had a new hardware replaced with the same model and still i am getting the bluescreen error.

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Nov 10, 2012

I have just finished my very first computer build and am rather happy with most things.Unfortunately I am having problems connecting to the internet.I have a temporary dongle in place and because it's my only option for about a month I kinda need it to work.When I first connected it I found my connection and I successfully connected, I downloaded Google Chrome and Steam, then unfortunately it randomly stopped working.Where the strength bar should of been, there was a large red cross, when I found my connection it read "The settings saved on this computer for the network do not match the requirements of the network".

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Feb 9, 2012

Searching via the Explorer search bar/start menu for music no longer produces any results. My music has always been stored on an external drive, plus it's added in Music>Libraries - same results in both locations. If I search a particular folder that I know contains what I'm searching for, I still find nothing. (For example: Searching for "bowie" or "heroes" in a big folder of David Bowie albums). I've recently tried adding this external drive to the index, just in case, although actually, it wasn't being indexed before I had the problem and I would still expect the files to be found -- albeit slower -- without indexing! I'm not aware of having changed any settings that could cause this.

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Dec 26, 2012

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BSOD - Bad Pool Header And Pagefault In Nonpage Area

Apr 2, 2012

I've tried all I can think off but have not been able to locate the cause for the contant crashes I'm attaching last 5 minidumps and hope you can guide me.

My PC:

OS: Win 7 - 64bit - Home Premium SP1
Intel QuadCore CPU - Q 6600
8 GB RAM

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Nov 25, 2011

When I try to sync music from windows media player to my phone, I get an error message on some songs that says File header too large. What I can do to correct this so the songs will play. I download mp3s from napster & my phone is a Blackjack2.

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BSOD Bad_Pool+Header With Mini-dump Analysis?

Sep 14, 2012

earlier turned on my pc, and it blue screened with the error Bad_Pool_Header. It had been on 4 hours before hand and during the session before it Blue screened I installed no new hardware or software. I ran though the .dmp with OSR online and this is what it said:

Windows 7 Kernel Version 7600 MP (4 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 7600.17017.amd64fre.win7_gdr.120503-2030
Machine Name:
Kernel base = 0xfffff800`03459000 PsLoadedModuleList = 0xfffff800`03695e70
Debug session time: Fri Sep 14 12:36:07.614 2012 (UTC - 4:00)
System Uptime: 0 days 0:02:29.753

[code]....

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Jan 24, 2013

I am UNABLE to connect to my home wi-fi after a brief power interruption... it get the following message "The settings on this computer do not match the requirements for this network." and the 'connect' button is grayed out!!! my wired internet works just fine after the power flash. but my wireless seems to NOT want to allow me to connect!

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Computer's Ecurity Settings Do Not Match To Router

Oct 18, 2012

The main problem is that my ONE computer's security settings do not and will not match to my router. I'll try and list everything I did. Hopefully I won't miss anything. Obviously, I try to look at the settings and see why they don't match. My netbook is also running on 7 Ultimate (32bit), and it has no problem whatsoever connecting to the router and accessing he internet. I look at the wireless settings on there. Match perfectly to the ones in the properties. So far nothing logical. I try using the WPS button on my router to connect. It tries to, but it always says it simply can't. I copied the wireless settings from my netbook to my desktop (the computer in question) on a flash drive and tried to put them onto my desktop. Signal strength is excellent, no problem there. Reset router to factory default settings. No changes there.Called Comcast (the router/modem is actually theirs).

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Jul 2, 2012

So I just got back from a 3 day vacation, and when I came back I rebooted my computer only to come back to the "Start Windows Normally/ launch startup repair" naturally I chose startup repair, it froze. Tried starting normally, took me back to the same page. So I tried booting in safe mode, took me to the BSOD that read Bad_pool_header. So then I tried to putting in my windows 7 installation disc to see if I could do a system recover from there, but as soon as I try boot up with the disc it takes me back to the same BSOD. I feel completely stuck as I've tried everything I can think of.

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BSOD Memory Management, Bad Pool Header. Then Random Freezing Up?

Apr 16, 2012

Acer Aspire 4740G. 2 years old. Last 1-2 weeks constant BSOD as per title, and random freezing up, forcing restart. On restart, random issues pop-up e.g. "Windows explorer is not working", "Login services not working (causes me to be logged into a new profile, all settings, icons, wallpaper gone)". The system has run the Memory Diagnostics test. Extracting from the Event Viewer, the results are as follows:

Log Name: System
Source: Microsoft-Windows-MemoryDiagnostics-Results
Date: 16/04/2012 09:09:37
Event ID: 1102
Task Category: None

[code]....

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Bad Pool Header Error - Installation Crashes With Blue Screen

Oct 8, 2009

i m on a amd dual core 5200, abit k9n with latest bios, ati 4830, 2gb ram 800mhz (2x1)

i have downloaded from my university Windows 7 x64 version (the free copy for students build 7600) but i have also tryed 2 other versions (rc i think, both 64 and 32) with no success.

first of all, the starting installation page is very slow, after 4-5 minuts on "setup is starting" (advance mode, not upgrade), and at the second step (expanding windows files 0%)

installation crashes with blue screen:

first time i get: bad pool header error

second time i m on another blue screen: "a device driver attemptingto corrupt the system has been caught. the faulty driver currently on the kernel stack must be replaced.."

now i will try the 3rd time to install in "safe mode" and i post new info here.

if u need something more to know for helping me ill provide them as fast as possible.

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May 2, 2011

My girlfirends new PC has Windows 7 64-bit on it, now getting on the internet is a real headache! every time I click the network list at the bottom, and select the network I want, it will connect but if I make it show the the list of networks again it will loose the network. When it does connect after a while it might drop off then trying to reconnect come up with "the settings do not match" I have to change them, then change back to get it to connect again but if I keep an eye on it while it connects it fails.

Windows 7 Home 64-bit
Disabled the IPv6 setting
I tried the wifi client that comes with the wifi card
I tried changing the router settings
It's WPA2 security

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Dec 7, 2011

I'm helping to develop a web application that uses iframes. On the main page (outside of all frames), we have a div that we use to display and print forms. We also have 2 nested iframes; the innermost iframe contains the main page content. When printing, we use extensive CSS and Javascript (contained in the outermost window) to hide everything except the print div.When I use File > Print Preview, it always displays the correct preview; that is, the outermost window which contains the print div. Printing from the Print Preview works as it should. However, when I use File > Print, it seems to print whatever window has focus, not the entire page (outermost window). Therefore my print div doesn't get printed and all I get is a printout of whatever is currently onscreen. Why doesn't the print out from File > Print match what is shown in the print preview?

A related issue occurs when using JavaScript's window.print(). When I call window.print from within the print div, it prints as it should. But when I call parent.parent.window.print() from within the double-nested iframe, IE still only prints the window that has focus, not the outermost window (as shown by "parent.parent."). And since they just clicked on a button in the innermost frame, the innermost frame has focus, my print div doesn't print and all I get is a printout of whatever is currently onscreen. I have been using "parent.parent" for all other Javascript calls from the nested iframe to the outermost, so I know that's not the problem.

My temporary solution is to focus on the outermost frame when the users mouses out of the nested window (ie, when they mouse up to the file menu) Code: window.onmouseout = parent.parent.window.focus(); and focus on the outermost frame when the user clicks the print button that is within the nested frame. I would really rather not do this focusing, especially on mouseout, because it seems to cause some issues when the user pulls up another application.I have also tried using the onbeforeprint event to focus. The onbeforeprint was triggered, but I couldn't get the focusing to work correctly.I haven't been able to find anything regarding these problems online; has anybody had similar problems?

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Sep 5, 2012

Has anyone of readers a Japanese keyboard and trouble with the assignment of the keys when working in English.

I have a querty keyboard, all letters/CAPITALS work fine. However the majority of the symbols !@#$%^&*()_+{}:"<>?, are assigned to the wrong keys

Example @ is SHIFT 2, but it indicates on that key "

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Aug 15, 2012

trying to manually add album data but wmp forces me to match every single track of every single album - when it already knows what the album is and the contents, as it shows the correct picture and album. This process should take me about 20 years. I assume this is because I am not letting wmp retrieve internet info as it wants because it's always wrong, (so MSN make it as difficult as possible to get info manually I guess)

and because it keeps making single track downloads into individual albums instead of a folder of mixed tracks which is WHAT I WANT. I don't wish to have my music arranged according to a programmer at microsoft... but this takeover by microsoft is getting more and more frustrating as they eliminate more and more customer choice from programs and dictate how it will all be set up and run from microsoft.

Is there anyway we can organise albums, tracks, files and folders the way we want to, instead of having microsoft shuffling them around and deleting databases, playlists and formats it doesn't agree with? Why can't I match the whole album when it appears in the search results? It's not rocket science

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Text Editing : Hidden Header That Registers Other Info Like The Name Of The Computer, Date, Etc?

Aug 4, 2012

when I edit a text in Windows 7 .txt format, is there a hidden header that registers other info like the name of the computer, date, etc? If yes, how can I see it?

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Dec 13, 2011

I have a new computer build where I have Win 7 Pro 64-bit installed on a SSD. Then I have a pair of 1TB drives that I setup as mirroring drives in Disc Management. I proceeded to setup my windows backup to the mirrored drive, but it is giving me the warning: When restoring a system image from this volume, the disks on your computer cannot be formatted to match the layout of the disks in the backup. To have full restore functionality, select a volume on basic disk as our backup location. I am not really sure I even need a backup for the SSD.

It is a small 64GB drive strictly for the OS and surfing the net, minor games (card games, etc.) and a few other minor things. I mirrored the 1TB drives because they are going to be our music server on our network for our laptops, as well as we planned to backup our laptops to the 1TB drive. I figured I would mirror the 1TB in case one crashed we would have the backup. However, if I am having issues with not being able to setup windows backup on these from this computer, I assume I will run into the same issues with the laptop backups. Is there no way to use windows backup to a mirrored drive?

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Apr 4, 2011

I have a copy of my maths assignment (my most recent version...which is not backed up) that I have been unable to open. The error is: The file cannot be opened because there are problems with the contents. Details: The name in the end tag of the element must match the element type in the start tag. Location: Part:/word/document.xml, Line: 2, Column: 12620. How to correct this error? I am working with Word 2010.

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Random "Bad Pool Header" And "System Service Exception" BSODs

Apr 16, 2012

i have been getting these "bad pool header" and "system service exception" bsods for about a day now (the "bad pool header" one tends to pop up more often then the other btw). i ran a registry cleaner which didn't work and ran memtest this morning and it showed that my memory was fine. the bsods tend to occur more often when i am playing a game or running some program that uses a bit more memory but it also happens when i am just on the internet. on the other hand, last night i did nothing but surf Internet for 3 hours and didn't get a bsod at all. however, since then i haven't been able to do anything for more than 10 minutes (without being in safe mode) without it crashing, and this morning it completely froze until i turned it off. my os is windows 7 home premium 64bit. it came preinstalled from the manufacturer and unfortunately i do not have the install disc. the entire laptop is less than 2 years old and there have been no major hardware changes and i have never reinstalled the os.

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