If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component.

Microsoft has developed a sample PowerShell script that can help you automate updating the Windows Recovery Environment (WinRE) on deployed devices to address the security vulnerabilities in CVE-2024-20666. Sample PowerShell script.

Open Internet Explorer icon and go to Java.com. Select the Free Java Download button, and then select Agree and Start Free Download. If you're prompted for an administrator password or confirmation, type the password or provide confirmation. On the notification bar, select Run.

Symptoms. When you try to install, update or start a program or a file, you receive the following error message: Error: Windows cannot access the specified device, path, or file. You may not have the appropriate permission to access the item. Resolution.

Issue 1: You receive an "Access Denied" error message or a similar message. Issue 2: You cannot access, change, save, or delete files and folders. Issue 3: You cannot open a file or folder after you install a new version of Windows. Resolution. To resolve a particular issue, follow the steps for the issue that best describes your situation.

Regsvr32 is a command-line utility to register and unregister OLE controls, such as DLLs and ActiveX controls in the Windows Registry. Regsvr32.exe is installed in the %systemroot%\System32 folder in Windows XP and later versions of Windows. The 64-bit version is %systemroot%\System32\regsvr32.exe.

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.

To install this update, you must have April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed in Windows 8.1 or Windows Server 2012 R2. Or, install Service Pack 1 for Windows 7 or Windows Server 2008 R2.

In the System section, you can see what type of operating system you're currently running under System type, and whether or not you can run a 64-bit version of Windows under 64-bit capable. (If your computer is already running a 64-bit version of Windows, you won't see the 64-bit capable listing.)