Certificate authority (CA) A certificate authority is an entity similar to a notary public.It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.

Repair or reset Windows Media Player: If Windows Media Player is not working properly, you can try to repair or reset it to its default settings.To do this, Select Start > Settings > Apps > Installed Apps.. Scroll down and click the three horizontal dots next to Windows Media Player and choose Advanced options, and click the Repair or Reset button. Note that resetting Windows Media Player will ...

Microsoft Authenticator is a free app that helps you sign in to all your accounts without using a password - just use a fingerprint, face recognition, or a PIN.

テーマは、デスクトップの背景画像、ウィンドウの色、サウンドの組み合わせです。 テーマを取得する. テーマを取得するには、以下のいずれかのカテゴリを展開し、テーマのリンクを選択し、[開く] を選択します。pc にテーマが保存され、デスクトップに設定されます。

Disable all macros except digitally signed macros Macros are disabled, and security alerts appear if there are unsigned macros present.However, if the macro is digitally signed by a trusted publisher, the macro just runs. If the macro is signed by a publisher you haven't trusted yet, you are given the opportunity to enable the signed macro and trust the publisher.

Ha támogatást szeretne kapni az Outlook.com webhelyen, kattintson ide, vagy válassza a Súgó lehetőséget a menüsávon, és adja meg a kérdést. Ha az önsegítővel nem tudja megoldani a problémát, görgessen le a Továbbra is segítségre van szüksége? kérdéshez, és válassza az Igen választ.. Ha kapcsolatba szeretne lépni velünk az Outlook.com webhelyen, be kell jelentkeznie.

Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.

If your printer isn't responding, downloading and installing the latest printer driver can often resolve these problems. Install the latest printer driver. Here are several ways to update your printer driver. Use Windows Update. Windows Update might find an updated version of your printer driver. To use it:

Tips: If you don't see the OneDrive icon, OneDrive might not be running. On a PC, go to Start, type OneDrive in the search box, and then click OneDrive in the search results. You might need to click the Show hidden icons arrow next to the notification area to see the OneDrive icons. On a Mac, use Spotlight to search for OneDrive and open it.

Find your files in Windows 11 using one of these methods. Search from the taskbar: Type the name of a document (or a keyword from it) into the search box on the taskbar.You'll see results for documents across your PC and OneDrive.