パソコン・ソフトIs Word’s Line Spacing Too Wide, or Is Yu Gothic Hard to Read? How to Change the Defaults for Easier-to-Read Documents in Windows 11If Word’s line spacing suddenly looks too wide, the settings are probably to blame. Yu Gothic and Word’s line grid defaults got even roomier in a 2025 update. Let’s walk through the fix with clear steps.2026.03.178 min中村 健太
パソコン・ソフトGetting “Access Is Denied” on the C Drive in Windows 11? 5 Causes and Fixes to Try Now, Including the KB5077181 IssueIf your C drive suddenly says “Access is denied,” there are five likely causes. There’s also a tricky bug that hit some Samsung PCs after the February KB5077181 update. Let’s walk through what to check and how to fix it.2026.03.177 min中村 健太
パソコン・ソフトCan’t Log In After Migrating to a New Mac? 5 Reasons Your Password Stops Working After Migration Assistant and How to Fix ThemAh, moved to a new Mac and suddenly your password doesn’t work? It happens. Let’s walk through five common causes, from Keychain issues to Activation Lock, and how to fix them.2026.03.177 min中村 健太
パソコン・ソフトWindows 11 Slow With 16GB RAM? 6 Reasons Memory Usage Gets High and Quick Settings to Save RAMHmm, you've got 16GB of RAM and Windows 11 still feels slow? Six hidden "memory thieves" may be running in the background. Delivery Optimization, background apps, browser tabs, startup apps... let's find what's eating your RAM and try a few quick fixes.2026.03.148 min中村 健太
パソコン・ソフトDid Your Computer Die and Take Your Passwords With It? How to Check Browser-Saved IDs and Passwords From Another DeviceIf your computer won't start, it can feel like your saved passwords are gone for good. But in many cases, you can still view them from another device. Here's how it works in Chrome, Edge, and Safari, plus five things to do now so you're prepared next time.2026.03.147 min中村 健太
パソコン・ソフトDoes your PC become unstable or freeze repeatedly after Windows Update? How to identify and remove the causative update program [Windows 11]Explains how to identify and uninstall the update program that causes it when your PC freezes or becomes unstable after Windows Update. We have summarized the three removal steps: Settings screen, Command Prompt, and PowerShell, and what you should do after removal.2026.03.13中村 健太
パソコン・ソフトCan't log in to Teams/Sign in loop? Causes of each error code and solutions you can try now [2026 edition]Explains the causes and solutions when you cannot log in to Microsoft Teams or the sign-in loop occurs. We will introduce solutions for each error code, such as error code 0xCAA20003 and 0xCAA82EE2, as well as cache deletion and reinstallation procedures in an easy-to-understand manner.2026.03.11中村 健太
パソコン・ソフトAre emails from your own domain not arriving in Gmail? 5 reasons why emails are marked as spam and how to check SPF, DKIM, and DMARC settingsExplaining the reasons why emails from your own domain are sorted into Gmail's spam folder and how to deal with them. From how to check SPF, DKIM, and DMARC settings to countermeasures that can be taken on the receiving side. With the strengthening of Gmail sender guidelines in 2024, there is an increased risk that unsupported emails will no longer be delivered.2026.03.11中村 健太
パソコン・ソフトWhat is ChatGPT for Excel? Explaining how to use the official add-in, what it can do, and when to use it in Japan [2026 version]An easy-to-understand explanation of how to use the "ChatGPT for Excel" add-in, which was officially announced by OpenAI in March 2026, what it can do, compatible plans, and when it can be used in Japan. We will also introduce the differences between third-party products and alternative methods that people in Japan can now use.2026.03.10中村 健太
パソコン・ソフトCan't hear the first word in a Teams meeting? Can't hear the first word? 6 causes and how to review audio settings you can try now [Windows 11]The reason why you can't hear the first word in a Teams meeting or the voice is choppy is often due to the USB selective suspend or Teams noise suppression settings. We will explain six causes and solutions in an easy-to-understand manner.2026.03.05中村 健太
パソコン・ソフトDo you get an error every time you open Excel? 6 causes of "Cannot function properly" and solutions you can try nowExplains the causes and solutions for the error that displays "Cannot function properly" or "Has stopped working" every time you open Excel. We will introduce easy-to-understand methods that you can try right away in your Windows 11 environment, such as disabling add-ins, starting in safe mode, and repairing Office.2026.03.05中村 健太
パソコン・ソフトHow to write Excel VLOOKUP and IF using Power Query? M language conversion quick reference table for frequently used functions [for beginners]An explanation for beginners on how to write 10 frequently used functions such as Excel's VLOOKUP, IF, LEFT, and MID in Power Query (M language), with a correspondence table and specific examples. We also introduce the steps to add custom columns and tips on how to use them properly.2026.03.05中村 健太