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.
Change Default Apps in Windows - Microsoft Support
Learn how to change default apps and protocol handlers in Windows, including an example about how to configure the default browser.
Fix problems that block programs from being installed or removed
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.
List of security program cleanup and uninstall tools
Provides links to the uninstall tools and directions for many security programs.
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.
Change your app recommendation settings in Windows
Go to Settings > Apps > Installed apps or Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.
Configure Startup Applications in Windows - Microsoft Support
Learn how to optimize system performance by managing startup applications in Windows.
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.
App & browser control in the Windows Security App - Microsoft Support
In the Windows Security app on your PC, select App & browser control, or use the following shortcut: App & browser control. Smart App Control adds significant protection from new and emerging threats by blocking apps that are malicious or untrusted.
File Explorer automatically disables the preview feature for files ...
To remove the block for a downloaded file, right-click the file in File Explorer, select Properties, and then select Unblock. Note: The change might not take effect immediately but will be effective after the next login.