Q: Blue Screen Atapi.sys - keeps coming up on start up...

I got this blue screen Atapi.sys

Address F8568256 base at F8560000 datestamp 4802539d

I've had this before. I don't understand as I solved it, but it was a headache and I can't remember what I did.

The fact I get it every few months is a stressful thought.

Can anyone help?

I scanned my computer and nothing comes up as a virus. perhaps it's not picking it up. I'm not sure. If it is, how do I remove it manually if it is a virus?




So are things running okay now after MBAM and SAS?

If you still have problems, now you know how to report them with enough information to figure them out.

If you have more BSODs, just send the pertinent ones.  Some of yours show issues relating to McAfee - either it is confused or trying to fix things beyond it't scope and getting whacked out.  It is not one of my favorites.

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Sorry this didn't help.



The atapi.sys (or it's mechanism) has been known to be a target of malicious software, so I would start here:

Does your system boot okay?

Describe your current antivirus and anti malware situation:  McAfee, Norton, Spybot, AVG, MSE, Defender, ZoneAlarm, PC Tools, Comodo, etc.

To eliminate questions and guessing, please provide additional information about your system.

Click Start, Run and in the box enter:


Click OK, and when the System Summary info appears, click Edit, Select All, Copy and then paste the information back here.

There will be some personal information (like System Name and User Name), and whatever appears to be private information to you, just delete it from the pasted information.

Perform some scans for malicious software, then fix any remaining issues:

Download, install, update and do a full scan with these free malware detection programs:

Malwarebytes (MBAM):

SUPERAntiSpyware: (SAS):

They can be uninstalled later if desired.

If you are getting the Blue Screen of Death, we will need more information and here is how to do that:


Download BlueScreenView from here:

Unzip and run it (BSV installs nothing) and let it finish scanning all your dump files.  

If you double click on of the dumps, you will get some information about it (including the Caused By Driver field) and you may be able to spot the problem right away - especially if you see a pattern in the dumps where the Caused by Driver field is the same (start with that driver).

Select (highlight) one or more of the most recent dump files by clicking them and holding down the Ctrl key to select multiples files.  Try to select just the most recent ones that relate to your issue (maybe five or so dump files to get started).

Click File, Save Selected Items and save the information from the dumps to a text file on your desktop called BSOD.txt.  Open BSOD.txt with a text editor, copy all the text and paste it into your next reply.

Here is an example of the BSV report from a single BSOD I initiated on purpose that shows the cause of the crash as the i8042prt.sys driver belonging to Microsoft Corporation:


Dump File         : Mini062110-01.dmp

Crash Time        : 6/21/2010 11:51:31 AM


Bug Check Code    : 0x000000e2

Parameter 1       : 0x00000000

Parameter 2       : 0x00000000

Parameter 3       : 0x00000000

Parameter 4       : 0x00000000

Caused By Driver  : i8042prt.sys

Caused By Address : i8042prt.sys+27fb

File Description  : i8042 Port Driver

Product Name      : Microsoft® Windows® Operating System

Company           : Microsoft Corporation

File Version      : 5.1.2600.5512 (xpsp.080413-2108)

Processor         : 32-bit

Computer Name     : 

Full Path         : C:\WINDOWS\minidump\Mini062110-01.dmp




Please vote my posts as helpful so I can get lots of points. I am saving up for a pony! Everybody does not love Raymond.

Did this solve your problem?

Sorry this didn't help.

Question Info

Views: 26,997 Last updated: April 30, 2018 Applies to: