483 practical guides, ordered by reader interest and recency.
Mouse acceleration is a pointer-control behavior in which the distance the mouse pointer travels on the screen depends not only on how far you physically move the mouse, but also o...
Laptop batteries gradually lose their ability to hold a full charge. A laptop that originally provided several hours of battery life may eventually discharge much faster, shut down...
A missing EFI System Partition (ESP) can prevent a Windows 10 or Windows 11 computer from starting even when the Windows installation, programs, and personal files are still comple...
KERNEL_DATA_INPAGE_ERROR is a Windows Blue Screen of Death (BSOD) with the bug-check value: 0x0000007A Microsoft defines bug check 0x7A as a condition where Windows could not read ...
DRIVER_POWER_STATE_FAILURE is a Windows Blue Screen of Death (BSOD) associated with bug check code: 0x0000009F Microsoft defines bug check 0x9F as a condition in which a device dri...
APC_INDEX_MISMATCH is a Windows Blue Screen of Death (BSOD) stop error associated with an inconsistency in the operating system's Asynchronous Procedure Call (APC) state. The offic...
File Explorer is one of the most frequently used components of Windows. It is responsible for browsing drives, folders, documents, downloads, network locations, USB devices, shared...
KMODE_EXCEPTION_NOT_HANDLED is a Windows Blue Screen of Death (BSOD) stop error indicating that a program executing in kernel mode generated an exception that the Windows error han...
Modern Windows 11 laptops are designed to efficiently manage system resources. However, many users experience CPU usage constantly remaining between 80% and 100%, even while perfor...
A background app is an application or component that continues performing some activity even when its main window is not open or you are not actively using it. For example, an emai...
Windows 11 can provide excellent performance on modern hardware, but even a powerful computer can gradually become slow because of software, storage, memory, driver, malware, overh...
A Windows PC may occasionally restart during an update and display a message similar to: “Something didn’t go as planned. No need to worry – undoing changes. Plea...
HYPERVISOR_ERROR is a Windows Blue Screen of Death (BSOD) stop error associated with the Windows hypervisor and virtualization subsystem. The official Microsoft bug-check value is:...
Seeing a notification such as “Threats found,” “Trojan detected,” “Severe threat detected,” or “Microsoft Defender Antivirus found threats...
The “You Need Permission to Perform This Action” message is a common Windows security error that can appear when you try to delete, rename, move, copy, edit, or open a ...
Windows Update is one of the most important—and sometimes most frustrating—parts of Microsoft Windows. Microsoft regularly delivers security patches, bug fixes, drivers...
Windows Update is responsible for delivering security fixes, cumulative updates, bug fixes, drivers, servicing components, and Windows feature updates. Normally these updates insta...
You may encounter the following message after installing Windows updates: “Undoing changes made to your computer…” or: “We couldn't complete the updates. U...
PAGE_FAULT_IN_NONPAGED_AREA is a Windows Blue Screen of Death (BSOD) error indicating that Windows or a kernel-mode component attempted to access a memory location that should have...
If your Windows 10 computer suddenly refuses to boot and displays the message: Recovery Your PC/Device needs to be repaired File: \Windows\System32\winload.exe Error Code: 0xc00002...
Copying files is one of the most basic Windows operations, but sometimes a transfer that starts normally suddenly slows down, shows 0 bytes/s, remains at 99% for several minutes, o...
Connecting your external hard drive only to see the message "You need to format the disk before you can use it" can be alarming. Windows may also display the file system as RAW ins...
When you sign in to Windows 10 or Windows 11, you may notice that the desktop appears first but some applications configured to run automatically do not open immediately. For examp...
A laptop that once provided several hours of battery backup may gradually begin losing charge much faster. In some cases, the battery percentage drops rapidly even when the laptop ...