For some flows, such as when using the "Block Input" action, Power Automate Desktop must be launched with administrative privileges.
Close all Power Automate Desktop windows and then start the Task Manager.
The Task Manager can be selected from [Ctrl] + [Alt] + [Del] or from the Windows menu.
Check if "Power Automate" exists in "Processes".
If present, right-click and select "End Task". This operation will cause "Power Automate" to no longer exist in "Processes".
Right-click "Power Automate Desktop" and select "Run as administrator".
This will launch "Power Automate Desktop" with administrator privileges.
Right-click on the shortcut and click on "Advanced" to open "Advanced Properties".
If "Run as administrator" is checked here, you will always have administrator privileges when launching from this shortcut.
For those who want to learn Power Automate Desktop effectively
The information on this site is now available in an easy-to-read e-book format.
Or Kindle Unlimited (unlimited reading).
You willl discover how to about basic operations.
By the end of this book, you will be equipped with the knowledge you need to use Power Automate Desktop to streamline your workflow.