Windows– Category –
This comprehensive category covers troubleshooting, setting changes, and customization information for Windows 11 and Windows 10. From OS update issues to system settings and useful tips, we've compiled technical information to help you use Windows comfortably.
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Reasons why startup apps may take 3-5 minutes to launch in Windows 11
Have you noticed that apps that should automatically launch immediately after signing in (such as Teams) are unusually slow to start up after upgrading to Windows 11? Actually, this is... -
How to find the culprit that is changing your Windows 11 power plan without your permission
When using Windows 11, the power plan may unintentionally switch from "Balanced" to "High Performance," etc. This is mainly due to system optimization apps and... -
Windows 11's Open-Shell is back! How the "QTTabBar Fix Tool" works.
A reader reported that after applying a Windows Update, the Open-Shell (Classic Explorer) toolbar disappeared, but was restored using QTTabBarFixTool.exe... -
Detailed explanation of each item on the browser's browsing history data deletion screen.
When your computer is running slowly or websites aren't displaying correctly, you might want to clear your browser's cache. However, with browsers like Google Chrome and Microsoft Edge... -
[Windows 11] Bug and cause of the menu becoming transparent when right-clicking on a desktop image
A bug has been discovered in Windows 11 environments where right-clicking an image file on the desktop causes the context menu to become transparent and not render correctly. This issue... -
Error "0x80073712" occurs with Windows 11 preview update "KB5079391".
A known issue causing installation errors has been added to the Windows 11 preview update "KB5079391," released on March 26, 2026. Currently, ... -
[Win11] How to fix the infinite loop update crash with error 0x800f0806! Force cancel pending operations
Every time I shut down or restart Windows 11, an update installation starts, but it always crashes and goes back to the original state... Furthermore, I can't use the DISM command to install components... -
Released "ViVeTool Simple Manager" that allows comfortable operation of ViVeTool with GUI
ViVeTool is essential for quickly trying out hidden Windows features and new features currently in testing, but it can be a hassle to launch a command prompt and manually enter your ID every time... -
[Independent Verification] Will the Secure Boot issue brick your graphics card in 2026? We asked official Microsoft support directly.
Recently, in the PC build and gamer community, there has been talk that "the old Secure Boot certificate (Microsoft Corporation UEFI CA 2011) will expire in June 2026, and that PCs may be affected by graphics cards..." -
What to do if Microsoft Edge won't open or crashes
Have you ever encountered problems like "Microsoft Edge crashes suddenly," "It won't open when I click," or "Certain pages won't load"? Even if your everyday browser doesn't work... -
[Win11] Bluetooth disappears after Windows Update and how to fix it
After applying Windows Update in Windows 11, it has been confirmed that Bluetooth suddenly stops working or the Bluetooth item disappears from the settings screen. -
Windows 11 won't boot? "Secure Boot 2023 Signature" issue and how to create a repair tool
The Windows 11 preview update KB5074105, released on January 29, 2026, and the next official update will complete the preparation phase and include Secure Boot...