The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

Vector form. The vector form of LOOKUP looks in a one-row or one-column range (known as a vector) for a value and returns a value from the same position in a second one-row or one-column range.. Syntax. LOOKUP(lookup_value, lookup_vector, [result_vector]) The LOOKUP function vector form syntax has the following arguments:. lookup_value Required.A value that LOOKUP searches for in the first vector.

Notes: Some users won’t see the notification for the first hour after a Windows Update due to their notification settings. (To check this, select Start gt; Settings > System > Notifications > Turn on do not disturb automatically, and see if For the first hour after a Windows feature update is checked.) To change Dynamic Lighting settings before seeing the notification, follow the steps above.

注意 并非所有控制杆问题都能使用此重新校准工具来解决，包括因正常磨损造成的偏移。 如果你要自行修理控制器，那么在更换控制器的基板和电路板后，应使用此重新校准工具。

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返回页首. 查看关于其他参与者的信息. 参与者列表指明了每个参与者的权限级别：演示者或与会者。只有演示者可以共享其屏幕、讲解 Microsoft® PowerPoint® 演示文稿、打开白板和访问其他功能，具体取决于会议的组织方式。

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.

Issues that are fixed in this update. The following issues are fixed for .NET Framework 4.7.2. SQL Server (SQL) Fixes an issue in which the .NET Framework API SqlConnection.ConnectionString property is used to set a null or empty connection string. In this situation, a Null Reference Exception (NRE) occurs when you use the API together with .NET Framework 4.7.2.

Most of the time, Excel will recognize this, and you'll see an alert next to the cell where numbers are being stored as text. If you see the alert: