Windows 7: BSOD playing arma2 ntoskrnl.exe IRQ_NOT_LESS_OR_EQUAL

hi, i have been having bsod's the last month mostly when playing arma2, i cannot remember if it has happened whilst other games/programs were runnning but im at a loss to what is causing it.

ive had bluescreenviewer since the problem started, are their any other programs that are useful for debugging ? i would like to dig a little deeper.

Welcome aboard.

• Which mouse do you use?
• Which Antivirus do you use?
• Which USB audio device do you use?

upload your MSINFO32.nfo file.

1. Click on the start button
2. Type "msinfo32" (without quotes) in the search bar of the start menu, click the resulting link. It will open the System Information window.
3. File>Save. In the "File Name" filed, put "MSINFO32" (without Quote), give the save location to desktop, and click the "save" button.
4. Give the time for processing, it will save a .nfo file on your desktop.
5. Zip it, and upload it following the instruction.

And update your display driver. Latest AMD Catalyst Video Driver for Windows 7

hi, thanks for the reply.

i dont use usb audio, my mouse is a logitech g9x and my anti virus is microsoft security essentials and malwarebytes.

my soundcards are two maudio 2496 pci cards.

Update your audio driver. M-AUDIO - Drivers and Software Search

Scan the system for possible virus infection.

• Anti-rootkit utility TDSSKiller
• Windows Defender Offline

Some USBPORT.sys issues are there.

For the port, first, uninstall and reinstall the USB ports drivers.

1. Right click on Computer icon > manage. It will open the computer management window.
2. Click on "Device Manager" in the left pane, it will list all installed devices up.
3. Expand "USB Serial Bus Controllers" by clicking on the triangle in front of it.
4. Click on one item to select, then right click and uninstall.
5. Do the same for all.
6. Restart the computer.
7. At restart, windows will auto configure the appropriate drivers.

And, Disable USB Selective Suspense too.
USB Selective Suspend - Turn On or Off

For the devices, first, detach all the USB devices other than the keyboard and mouse.
Then, Update the drivers for them all, including the keyboard and mouse, if any third party drivers are installed for them.

Update the display driver: Latest AMD Catalyst Video Driver for Windows 7

Let us know the results.

** McAfee Visual Trace: You may try uninstalling it. McAfee programs block network a lot. And there are some network issues too, which is to concentrate next.