Here it is:

You can repair UFT One 2021 or UFT Developer with the below steps:

Windows 7

Press the 'Start' button

Find command prompt and right click on it.

Select ''Run as Administrator''. A Dos Prompt will appear.

Copy the following command to the dos prompt and press enter.

UFT One 2021:

MsiExec.exe /fm {C52BAD54-DA83-4D4C-A3F5-8BBFF4DF4E02}

UFT Developer:

MsiExec.exe /fm {8CD6251C-10F5-4419-8E36-C0E4607345C1}

Windows 10

Press the 'Start' button

Start typing ''Command'' and the Command Prompt should appear on the list. Right click on it.

Select ''Run as Administrator''. A Dos Prompt will appear.

Copy the following command to the dos prompt and press enter.

UFT One 2021:

MsiExec.exe /fm {C52BAD54-DA83-4D4C-A3F5-8BBFF4DF4E02}

UFT Developer:

MsiExec.exe /fm {8CD6251C-10F5-4419-8E36-C0E4607345C1}