Learn about fixes and workarounds for the latest OneDrive issues. Can't sign in ISSUE Some customers are unable to sign in to OneDrive when using either PC, Mac, mobile or web browser. SOLUTIONS Check your username and password are correct by signing in to your Microsoft Account dashboard. If you can't sign in, contact Microsoft Support. Make sure you have the latest version of OneDrive.

If a desktop app can’t be installed, uninstalled, or updated in Windows 11, built‑in recovery options and troubleshooting steps can help resolve common issues such as incomplete installs or corrupted app data. Note Use these steps for Windows programs. If the app was installed from Microsoft Store, see Fix problems with apps from Microsoft ...

In this article Overview How a Secure Boot certificate servicing works Where to start when troubleshooting Secure-Boot-Update scheduled task Why a scheduled task is used The AvailableUpdates registry bitmask Integration with OEM firmware Common failure scenarios and resolutions Reference and internals AvailableUpdates bits used for certificate servicing Expected progression (AvailableUpdates ...

Copilot connectivity troubleshooter Use the Copilot connectivity troubleshooter when you are having difficulty connecting to Copilot. This will check for firewall rules or other blockers to your connection. Start the Get Help app. In the Search bar, enter Copilot connectivity troubleshooter. Follow the steps provided.

Not running Windows 11 yet? See Activate Windows or Activate Windows 7 or Windows 8.1. Run the Windows Activation troubleshooter If you are using a Windows 11 device, start by running the automated Windows Activation troubleshooter in the Get Help app. It will automatically run diagnostics and attempt to fix most of the problems.

You can configure the applications that run at startup with both tools, but they present the information slightly differently. The Task Manager provides a more detailed view, including the impact each app has on the startup process. This can be particularly useful for troubleshooting performance issues during system startup.

iPhone または iPad で、 App Store で Microsoft Copilot を開き、 [入手] をタップします。 Copilot アプリを開きます。 Microsoft 365 に使用するアカウントでサインインします。 職場または学校: organization のメール (Microsoft Entra ID)。

先頭に戻る セキュア ブート更新のスケジュールされたタスク セキュア ブート証明書サービスは、 Secure-Boot-Update という名前の Windows のスケジュールされたタスクを通じて実装されます。 タスクは次のパスに登録されます。

Outlook.com or Microsoft 365 work or school account account not syncing anymore If your Outlook.com or Microsoft 365 work or school account account was syncing with your mobile device before and now it's not, go to Fix Outlook.com email sync issues. You can learn how to remove your sync partnership and then you'll have to re-add your account.

Copilot 接続のトラブルシューティング ツール Copilot への接続に問題がある場合は、Copilot 接続のトラブルシューティング ツールを使用します。 これにより、ファイアウォール ルールまたはその他の接続ブロックがチェックされます。 問い合わせ アプリを起動します。 [検索] バーに「Copilot ...