Checksum Error Virus
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computer's data is intact and unhampered. The data is scanned and tested for accuracy, either based on how well it relates to checksum error in the encrypted file winrar data elsewhere or based on previous data that was stored on the
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same computer. Essentially, all of the bits of data in a particular document or file are added up and a checksum error fix number or hash is created. This number or hash can then be compared to the number or hash generated from the same file on another person's computer or at a previous
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time on the same computer. When does a Checksum Error Occur? Although a checksum error can occur at any time while a computer is comparing data, it is most commonly present during a computer's startup procedure. During a computer's start up processes, the BIOS settings, which are stored in a CMOS memory chip, are computed and then checked against the previous value. If the checksum error on boot computed values do not match exactly, the computer warns the user with a checksum error message that the data may have been changed or corrupted between start up cycles. All BIOS programs present a different error and therefore will either continue with booting or refuse to boot until the problem is corrected. Depending on the type and the severity of the error generated, there may be one of a variety of ways to rectify the issue. The most common cause of a checksum error during the startup process is a faulty battery that is not providing sufficient power to the motherboard when the computer is off. However, motherboard malfunctions and viruses can also contribute to checksum errors. Other Types of Checksum Errors Another type of checksum error may occur with any program at any time. It is usual for many programs to now provide checksum information when that program is downloaded. Using a checksum program or MD5 hash checker, a user can quickly compare the checksum of a downloaded program with the checksum that the software developer provides. This is a common way to make sure that users are dow
The How-To Geek Forums Have Migrated to Discourse How-To Geek Forums / Windows XP Bad Bios checksum (How to Fix it) ??? (39 posts) Started 4 years ago by tech27 Latest reply from G41M Topic Viewed 20879 times 1
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2 Next » tech27 Posts: 387 This post has been reported. So here's my problem
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guys... Recently I did a clean install of windows XP on my PC, everything goes smooth and no errors. But after a day I tera source file checksum error use it and shut it down for an hour and when I return and turn my PC again this problem comes out... I have no idea why it happened, so if anyone knows how to fix this I will gladly http://www.tech-faq.com/checksum-error.html appreciate it... Btw.. I have some experienced on PC troubleshooting but sad to say it is my first time to encounter this problem and I have no idea how to fix it.. So please I really need your help guys.... Reports: · Posted 4 years ago Top Sarris Posts: 189 This post has been reported. Causes of CMOS Checksum Bad Error There are usually three main reasons that a CMOS Checksum Bad Error occurs. They include: 1. CMOS Battery http://www.howtogeek.com/forum/topic/bad-bios-checksum-how-to-fix-it- may not be functioning properly. The battery life may have expired. (it's probably this) 2. The user or a virus may have updated the BIOS. 3. The computer may not have been shut down properly e.g. shutting off the computer’s main power without first shutting down the computer (MS Windows requires the computer to be shut down before the power is shut off). This is from tech-faq.com Also, please don't multiple post the same question. Thanks & good luck Reports: · Posted 4 years ago Top tech27 Posts: 387 This post has been reported. First of all... Sorry for doing multiple post but I didn't meant to do that because every time I post it says "404 Not found" hmmm... so what should I do first to solve this problem ???? Reports: · Posted 4 years ago Top tech27 Posts: 387 This post has been reported. BTW.. what does CMOS means ??? Sorry I had never encounter a bios problem before..... Reports: · Posted 4 years ago Top semiretired Posts: 1214 This post has been reported. Cmos equals continuous metal oxide semiconductor. It is the small disk battery found on your motherboard. It is usually a cr2032 that can be purchased at a walmart......etc. In a laptop, it could be sheathed in a holder of some type and be more expensive. Reports: · Posted 4 years ago Top semiretired Posts: 1214
DriverDoc WinSweeper SupersonicPC FileViewPro About Support Contact File Troubleshooting › EXE Files › Microsoft › MSDN Disc 6 › CHECKSUM.EXE What is CHECKSUM.EXE and How To Fix It? http://www.solvusoft.com/en/files/error-virus-removal/exe/windows/microsoft/msdn-disc-6/checksum-exe/ Download NowWinThruster 2015 - Scan your PC for CHECKSUM.EXE registry errors Compatible with Windows 10, 8, 7, Vista, XP and 2000 Overview of CHECKSUM.EXE What Is CHECKSUM.EXE? http://www.pcguide.com/ts/x/sys/booterrGBER08-c.html CHECKSUM.EXE is a type of EXE file associated with MSDN Disc 6 developed by Microsoft for the Windows Operating System. The latest known version of CHECKSUM.EXE is checksum error 1.0.0.0, which was produced for Windows. This EXE file carries a popularity rating of 1 stars and a security rating of "UNKNOWN". What Are EXE Files? EXE ("executable") files, such as CHECKSUM.EXE, are files that contain step-by-step instructions that a computer follows to carry out a function. When you "double-click" an EXE file, your computer checksum error virus automatically executes these instructions designed by a software developer (eg. Microsoft) to run a program (eg. MSDN Disc 6) on your PC.Every software application on your PC uses an executable file - your web browser, word processor, spreadsheet program, etc. - making it one of the most useful kinds of files in the Windows operating system. Without executable files like CHECKSUM.EXE, you wouldn't be able to use any programs on your PC. Why Do I Have EXE Errors? Because of their usefulness and ubiquity, EXE files are commonly used as a method of delivery for virus / malware infection. Often, viruses will be disguised as a benign EXE file (such as CHECKSUM.EXE) and distributed through SPAM email or malicious websites, which can then infect your computer when executed (eg. when you double-click the EXE file).In addition, viruses can infect, replace, or corrupt existing EXE files, which can then lead to error messages when MSDN Disc 6 or related programs are executed. Thu
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Explanation: A checksum is computed as an error-detecting code, to protect the BIOS settings stored in the CMOS memory. Each time the system is booted this number is recomputed and checked against the stored value. If they do not match, an error message is generated to tell you that the CMOS memory contents may have been corrupted and therefore some settings may be wrong. BIOSes react in different ways to encountering this sort of error. Some will warn the user and then continue on with whatever settings were in the CMOS. Others will assume that the settings that were in the CMOS were corrupted and will load default values stored in the BIOS chip "for safety reasons". The error message will indicate which your system is doing. Diagnosis: The most common cause of checksum errors in CMOS is a battery that is losing power. Viruses can also affect CMOS settings, and motherboard problems can also affect the stored values. Recommendation: Follow the instructions in this section to address the CMOS corruption. You should make sure that all of the BIOS settings in the system are correct, by rebooting the system, going into BIOS setup and double-checking all the values (hopefully against a recent BIOS settings backup). Home - Search - Topics - Up The PC Guide (http://www.PCGuide.com) Site Version: 2.2.0 - Version Date: April 17, 2001© Copyright 1997-2004 Charles M. Kozierok.All Rights Reserved. Not responsible for any loss resulting from the use of this site. Please read the Site Guide before using this material. Custom Search