Question about Toshiba Satellite M45-S331 Notebook

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I am gettin a blue screen that says Stop c00000221 bad image checksum. The Image ertutil.dll is possibly corrupt. header checksum does not match computer checksum

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If you've encounter with this issue, this issue the same with your BIOS password you can easy access the BIOS by reset the CMOS battery and jamper.

The checksum error refer in CMOS memory that is maintained while the PC is powered off by a small battery, which is attached to the motherboard. If you remove this battery, all CMOS information (including the BIOS password) will be lost. You will need to re-enter the correct CMOS setup information to use the machine. The machines owner or user will most likely be alarmed when it is discovered that the BIOS password has been deleted.

On some motherboards, the battery is soldered to the motherboard, making it difficult to remove. If this is the case, you have another alternative. Somewhere on the motherboard you should find a jumper that will clear the BIOS. If you have the motherboard documentation, you will know where that jumper is.

If not, the jumper may be labeled on the motherboard. If you are not fortunate enough for either of these to be the case, you may be able to guess which jumper is the correct jumper. This jumper is usually standing alone near the battery. If you cannot locate this jumper, you might short both of the points where the battery connects to the motherboard.

Posted on Dec 10, 2009

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Http://support.microsoft.com/kb/315241

See if the instructions for that help you out

Posted on Dec 10, 2009

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1 Answer

Compaq Presario 2500 stopped loading windows XP with a prompt STOP: c0000221 {bad Image Checksum} The image COMCTL32.dll is possibly corrupt. The header checksum does not match the computed checksum.


This error is not the same as a CMOS Checksum Error, which refers to corrupted values of the CMOS settings, the ones you set through the BIOS setup program. This error means the contents of the BIOS code itself are damaged.

During the boot process you will see on the screen to press delete to enter setup
Press and hold delete during the boot up process to enter BIOS you can load failsafe defaults or load optimized defaults ,press escape then press f10 to save to cmos to restart
click start control panel date and time you can make your adjustments to the date and time from there also right click on the date and time on the bottom toolbar (bottom of screen) you should see Adjust date and time tab
hope this helps you

Sep 09, 2011 | Compaq Presario 2100 and 2500 ,NX 9000...

1 Answer

Laptop: Toshiba Satellite NB200.Problems when restart after upadated antivirus (kaspersky 2010) this message appear: STOP:c0000221 [bad Image Checksum] The image urlmon.dll is possibly corrupt.the...


Yes it may be possible, installing and updating antivirus may have figured our corruption in urlmon.dll deleted the file or did some changes due to which you are getting the critical error

You can try 2 things,

1. Restore earlier settings, which may uninstall your antivirus and you need to install again. But if this works recommend you to first scan the system with free standalone antivirus availalable and then install your version of antivirus. Try following link

http://go.trendmicro.com/housecall7/HousecallLauncher.exe
http://www.trendmicro.com/ftp/products/rootkitbuster/RootkitBuster_2.80.1077.zip
2. Repair the URLMON.DLL file

1.Insert your Windows XP CD in your CD-ROM drive and boot your computer from the CD.
2.When the Welcome to Setup screen appears, press R to open the Recovery Console.
3.When prompted for an administrator password, type the password and then press Enter. In case no administrator password was set, just press Enter.
4.At the Command Prompt, type the following command and press Enter
cd %systemroot%\system32
5.Next, type the following command to rename the urlmon.dll file and press Enter.
ren urlmon.dll urlmon.old.dll
6.Now, to restore the original urlmon.dll, type the following command and press Enter.
expand [CD drive letter]:\i386\urlmon.dll %systemroot%\system32 /Y
7.Next, type exit and press Enter.
8.Restart your computer.

3. Repair complete OS. You will need XP CD
Boot from CD and follow the instructions to repair the OS

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May 20, 2010 | Computers & Internet

1 Answer

My laptop wont load to Windows XP when it tries to I get the following message. STOP:c0000221 {Bad Image Checksum} The image shell32.dll is possibly corrucpt. The header checksum does not match the...


Just FORMAT it... But if you scare of losing your info and data, then choose the option to REPAIR the windows installation. Or what you can do is do a checkpoint system restore. You will have to go through much more headachs to resolve it.

Most of the time that problem occurred because of an unsuccessful installation of a program or app. Or you might of deleted a common file accidently...

Sep 26, 2009 | Compaq Computers & Internet

1 Answer

My laptop wont load to Windows XP when it tries to I get the following message. STOP:c0000221 {Bad Image Checksum} The image shell32.dll is possibly corrucpt. The header checksum does not match the...


your windows is surely corrupted.. install your windows again... if you dont know how to install your windows...contact me....at (bharat_s@ymail.com)

please vote for me...im sure this will solve your problem...

Sep 26, 2009 | Compaq Presario 2100 and 2500 ,NX 9000...

1 Answer

Help


Greetings,

When you upgrade your computer to Windows XP, you may receive an error message that is similar to one of the following: C0000221 (Bad Image Checksum)
-or- STOP: C0000221 - Bad Image Checksum in ModuleName
-or- STOP: C0000221 - Bad Image Checksum. User32.dll is possibly corrupt. The header check sum does not match the computed check sum.

Please go through the below mentioned link:

http://support.microsoft.com/kb/326687

Sep 20, 2009 | Microsoft Windows XP Professional for PC

1 Answer

STOP: c0000221 {bad image checksum}


You most likely have bad RAM. If you have two chips, pull one out and run the laptop on a single stick. You may need to alternate the sticks just incase the non-working one is the one you left in the laptop.

May 19, 2009 | Computers & Internet

1 Answer

Blue Screen


Try re-starting your pc and tapping the F8 while it starts up and try getting in through "Safe Mode". If you can get in click "Start", "Run" and type "cmd". Hit OK. At the dos promt type "sfc" and let windows check your files.

Apr 10, 2008 | Toshiba Satellite A105 Notebook

3 Answers

Bad image checksum and not reading a hard drive


Please give more info about this.

Try to reformat your Hard Drive and install it againg freshly. This might do the work.

Mar 03, 2008 | Microsoft Windows XP Professional for PC

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