I needed to install DX9c because I wanted to play a game that was very finicky about which DX version it wanted. Normally in Windows7 you get a shield where you confirm that you indeed want to install ...

If you receive The installer has insufficient privileges to modify or access this directory on Windows 11/10, then this post may help you. This issue usually occurs ...

If you see You do not have sufficient privileges to install the program error message when you try to install a program or driver on your Windows computer, then this ...

It turned out that the installer for installing software on Windows is vulnerable to gaining administrator privileges. According to the discoverer, there is no fundamental solution other than waiting ...