BSOD (driver_irql_not_less_or_equal)

I've had this problem for the past two hours !

If anyone could help, that would be great !

Here are some details -

blem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 2057

Additional information about the problem:
BCCode: d1
BCP1: 0000000000000028
BCP2: 0000000000000002
BCP3: 0000000000000000
BCP4: FFFFF880019A96FD
OS Version: 6_1_7601
Service Pack: 1_0
Product: 768_1

Files that help describe the problem:
C:\WINDOWS\Minidump\121012-33477-01.dmp
C:\Users\pep\AppData\Local\Temp\WER-71869-0.sysdata.xml

I've also attached the diagnostic test.

Edit - Fixed !

Welcome To SevenForums.

Please uninstall the following:
(Use the free version of Revo Uninstaller - Uninstall in Advanced Mode so it lets you clear registry leftover)

Code:

Start Menu\Programs\PC Tools Security	Public:Start Menu\Programs\PC Tools Security	Public

MSE is recommended from a strict BSOD perspective, compatibility & stability compared to other antiviruses/internet security software:-

1. Microsoft Security Essentials - Free Antivirus for Windows
1. Good and Free system security combination.

Do not start the free trial of Malware Bytes; remember to deselect that option when prompted.

Make a full scan once downloaded, installed and updated.

If its wireless, match your device from here:

• ATHEROS Wireless drivers for Windows

If its not a wireless, match your device from here:

• ATHEROS Network drivers for Windows

Daemon Tools

Code:

Start Menu\Programs\DAEMON Tools Lite	Public:Start Menu\Programs\DAEMON Tools Lite	Public

Please uninstall DAEMON Tools. It uses a driver called sptd.sys which is known to cause BSODs in Windows 7. Uninstall the software using Add/Remove Programs. Reboot the system. Once the program is uninstalled, run sptd.sys uninstaller to remove the driver from your system.

As an alternative, many people recommend the use of Total Mounter or Magic ISO

Free up the start-up, nothing except the antivirus is usually needed:

• Startup Programs - Change
• Troubleshoot Application Conflicts by Performing a Clean Startup

Run the System File Checker. It allows the user to scan for and restore corruptions in Windows system files.

• 1. Click on the
  2. Type CMD on Search
  3. Left click and Run as Administrator
  4. Type SFC /scannow

Full tutorial here:

• SFC /SCANNOW Command - System File Checker

Run Disk Check on your hard disk for file system errors and bad sectors on it:

• Disk Check

Post back results.

Great! Glad to hear your PC is stable now.
Post back if they reoccur :)