An MS-DOS-based program that uses the MS-DOS protected mode interface ...
Fixes an issue in which an MS-DOS-based program crashes on a computer that is running Windows 7 because of a change in the Dosx.exe file. This issue occurs when the program uses the MS-DOS protected mode interface.
Command Prompt and Windows Powershell - Microsoft Support
In Windows 11 22H2, the default app used to host console windows has been changed to Windows Terminal. After the October 2022 update, Command Prompt, Windows PowerShell, and other console apps will appear inside an instance of Windows Terminal.
Windows troubleshooters - Microsoft Support
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 Run to start that troubleshooter.
Use the System File Checker tool to repair missing or corrupted system ...
Use the System File Checker tool to repair missing or corrupted system files. When critical Windows system files are missing or corrupted, some Windows features may stop working correctly or Windows may stop responding altogether.
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.
Download Internet Explorer 11 (Offline installer) - Microsoft Support
To download the offline installer for Internet Explorer 11, choose your language and system below.
How to install programs from a disc - Microsoft Support
Alternatively, if installation doesn't start automatically, browse the disc to find the program setup file, usually called Setup.exe or Install.exe. Open the file to start installation.
How to revert to an earlier version of Office - Microsoft Support
By default, installations of Microsoft Office are configured to automatically update your Office installation when new updates are made publicly available. Occasionally, you may have to revert to an earlier version or build of an Office installation.
A 16-bit application that uses initialization (.ini) files does not ...
The issue occurs because the TSAWARE linker option is set in the ntvdm.exe file that is hosted by the 16-bit application. This behavior prevents the application from working correctly in a Terminal Services session.
Uninstall or remove apps and programs in Windows
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.