Some older websites and web applications include inline print buttons that launch a print dialog using the PrintHTML.dll helper component in Windows 11. This component can cause unexpected print behavior, such as printing blank pages, printing multiple copies, or failing to print altogether. The PrintHTML.dll helper is a legacy system file used by Internet Explorer … Read more
When you double-click a PDF file on Windows 11, it may open with a different app than Microsoft Print to PDF, or no app at all. This happens because Windows 11 changes default file associations after a system update, a new app installation, or a corrupted user profile. The file type .pdf becomes linked to … Read more
Your ESC POS receipt printer prints only part of each line, cutting off text after 40 or 48 characters. This happens because Windows 11 sends the printer data in a fixed-width font or a column limit that your printer firmware does not override. The printer treats each line as a fixed-length field and truncates anything … Read more
You need to print from a Windows 11 computer to a printer physically connected to a Linux machine running CUPS. Windows 11 does not discover CUPS printers automatically using standard network discovery. This article explains how to add a shared CUPS printer to Windows 11 using the Internet Printing Protocol (IPP) and the Line Printer … Read more
When you attempt to install the 25H2 enablement package on a domain-joined Windows 11 PC, the pre-check may fail without a clear error message. This failure typically occurs because Group Policy blocks feature updates through the “Select the target Feature Update version” policy or because the system lacks the required 25H2 baseline build. Domain PCs … Read more
When a Latest Cumulative Update fails to install on Windows 11, the servicing stack itself can become corrupted. The servicing stack is the component that handles update installation, and a failed LCU can leave it in an inconsistent state. This prevents future updates from installing correctly. This article explains how to reset the servicing stack … Read more
You try to install a Servicing Stack Update SSU standalone using wusa.exe on Windows 11 and get error 0x800f0826 or a message that the update is not applicable. This happens because SSUs have a special dependency chain that wusa.exe does not resolve automatically. This article explains the technical reason for the failure and shows you … Read more
Windows Update for Business policies let IT administrators control which updates are deployed. When these policies are misconfigured, they can block the entire Windows Update catalog on Windows 11. This means the system cannot scan for, download, or install any updates — including critical security patches. The root cause is often a policy setting that … Read more
Windows 11 normally offers only mandatory monthly security and quality updates. But you may want to test a non-security fix or a new feature before it reaches general availability. Microsoft provides optional preview updates for users who are not enrolled in the Windows Insider Program. These updates let you try upcoming improvements without committing to … Read more
You install a custom OEM driver for a graphics card, network adapter, or chipset. After a reboot, Windows 11 silently replaces it with a driver from Windows Update. The event logs show WUDriverUpdate as the source of the change. This behavior is caused by Windows Update’s automatic driver update mechanism, which is enabled by default … Read more