If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

The Ntoskrnl.exe file is missing or damaged. The partition path in the Boot.ini file is not set correctly. General hardware failure. Resolution. To resolve this issue, use either of the following methods. Method 1.

The prompt shown below indicates that the symbol file for the Ntoskrnl.exe file is incorrect. Check to make sure that the appropriate multiprocessor or uniprocessor kernel and HAL are copied into the symbol tree. Example: Symbol search path is: C:\symbols. kd: crash dump initialized [c:\dump\memory.dmp]

Blue Screen errors (also sometimes called black screen errors or STOP code errors) can occur if a serious problem causes Windows to shut down or restart unexpectedly. You might see a message that says, "Windows has been shut down to prevent damage to your computer" or a similar message.

Resolves vulnerabilities in Windows that could allow elevation of privilege if an attacker logged on to the system and then ran a specially crafted application.

How to fix Error 0xA: IRQL_not_less_or_equal. This error means that something may be wrong with a device driver, your device's memory, or antivirus software on your device. Here are some things to try: Make sure that your drivers are current by checking for the latest Windows updates.

This article describes an issue that occurs when a computer displays a blue screen in Windows 8.1, Windows Server 2012 R2, Windows 8, or Windows Server 2012. You can fix this issue by using the update or hotfix in this article. Before you install this update or hotfix, see the Prerequisites section.

Cause. This issue occurs because Driver Verifier incorrectly detects that the interrupt service routine (ISR) for the driver has corrupted the extended thread context. Driver Verifier captures XSAVE areas before and after an ISR is called, and compares the values to verify that the context is not corrupted by the ISR.

Symptoms. Assume that you repeatedly load and unload a registry hive on a computer that is running Windows 8 or Windows Server 2012. In this situation, invalid Transactional Registry (TxR) log files are generated every time that you load the registry hive.

Fixes a performance issue that occurs when the computer is under a heavy disk I/O load in Windows 7 or in Windows Server 2008 R2. This issue usually occurs on a computer that has more than 8 processors.