When critical Windows system files are missing or corrupted, your operating system may begin to malfunction. Common symptoms include Windows features not working properly, system errors, or Windows becoming unresponsive or freezing.

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These log files can be sent to Microsoft automatically if you have chosen to enable the collection and processing of optional diagnostic data by Microsoft. Note that even when you’ve enabled the processing of optional diagnostic data, Microsoft may not always collect these log files.

Troubleshoots and fixes common issues with file and folder operations in Windows.

This article describes how to start the Disk Cleanup tool and specify the hard disk to be cleaned by using the command line. To start the Disk Cleanup tool and specify the hard disk to be cleaned by using the command line, follow these steps: Click Start, and then click Run.

Learn how to use Manage and Optimize Drives to keep your disk and data drives defragmented and at top performance in Windows.

First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.

Users can filter logs by criteria such as event level, date, and keywords to quickly locate relevant events. The Event Viewer also allows users to save log files for analysis and export event data for external use.

Get Help has troubleshooters you can run for many common scenarios. These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Start to run that troubleshooter. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies.

To find relevant files from your PC and the cloud, search from File Explorer Home. Note: Sign in to your cloud account (s) from Start > Settings > Accounts to enable cloud search.