Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter. Download troubleshooter.

To assign a user or group Deny permissions to the Usbstor.pnf and Usbstor.inf files, follow these steps: Start Windows Explorer, and then locate the %SystemRoot%\Inf folder. Right-click the Usbstor.pnf file, and then click Properties .

If you reinstall, reset, or refresh Windows, the previous Windows.old folder is replaced by a new Windows.old folder. For more info, see How to refresh, reset, or restore your PC and How to remove the Windows.old folder. Learn how to find your old files and move them to your new PC after upgrading to Windows 8.1.

Your handwritten signature gives your document a personal touch. You can scan your signature and store it as a picture to insert in the document. You can also insert a signature line to indicate where a signature should be written.

Microsoft Office uses the XML-based file formats, such as .docx, .xlsx, and .pptx. These formats and file name extensions apply to Microsoft Word, Microsoft Excel, and Microsoft PowerPoint.

IMPORTANT Starting in July 2020, we will resume non-security releases for Windows 10 and Windows Server, version 1809 and later. There is no change to the cumulative monthly security updates (also referred to as the "B" release or Update Tuesday release).

本文讨论了 Microsoft 高级主机控制器接口 (AHCI) 驱动程序，Msahci.sys 的更新。. 此驱动程序是专门构建的磁盘设备的串行高级技术附件 (SATA) 模式。. 此更新改变 Msahci.sys 驱动程序，以便驱动程序不会调用RecordExecutionHistory ()，这称为在各种情况下，如在执行每个命令 ...

更少. 症状. 当您使用某些 IEEE 1394 设备可能会崩溃的计算机运行 Windows 7 或 Windows Server 2008 R2。 此外，您可能会收到类似于以下内容的 Stop 错误消息︰. 停止 0x0000003B Parameter1 、 Parameter2 、 Parameter3 ( Parameter4) SYSTEM_SERVICE_EXCEPTION. 原因. 由于 Microsoft IEEE 1394 驱动程序堆栈，在其中的驱动程序堆栈分配的缓冲区将无法正常初始化错误发生此问题。 解决方案. 修补程序信息. 可以从 Microsoft 获得受支持的修复程序。 然而，此修补程序仅用于解决本文中描述的问题。 此修复程序仅适用于遇到本文中描述的问题的系统。

Fixes an issue in which you receive a "STATUS_OBJECT_NAME_NOT_FOUND" error message when you open a newly-created file in a shared folder. This issue occurs when you enable the SMB version 2 directory cache in Windows 7 or in Windows Server 2008 R2.