Fix problems that block programs from being installed or removed
After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11. Learn more. Note: Use these steps for Windows programs.
List of security program cleanup and uninstall tools
Provides links to the uninstall tools and directions for many security programs.
Uninstall or remove apps and programs in Windows - Microsoft Support
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
Uninstall Skype for Business - Microsoft Support
Learn how to remove Skype for Business from your computer in a few easy steps.
Applies To:
Office 365 Small Business, Microsoft 365 admin, Skype for Business, Skype for Business for Mac, Skype for Business Online operated by 21Vianet
Microsoft Support
Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.
Use the System File Checker tool to repair missing or corrupted system ...
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.
System Configuration Tools in Windows - Microsoft Support
Windows provides a variety of configuration tools tailored to meet the needs of different users. These built-in tools facilitate your device's customization and monitoring, allowing you to change Windows' configuration to suit your preferences and requirements with precision.
How to install programs from online sources on Windows
There are two ways to get apps from Microsoft Store: Select Start , and select Microsoft Store. From the taskbar, select the Microsoft Store icon.
Download and install Skype for Business on Windows
Enter your work or school account. Enter your password. Select Sign In. Training: Get up and running quickly on Skype for Business with this Quick Start.
Applies To:
Skype for Business, Skype for Business Online
Microsoft Dynamics 365 On-Premises Cumulative Updates
Download links for these cumulative updates are available within each article in the links below. The following table lists the available cumulative updates for Microsoft Dynamics 365 8.2. These cumulative update rollups include all the hotfixes that were released for limited distribution.