Here it is:

You can repair UFT One 15.00 or LeanFT 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 15.00:

MsiExec.exe /fm {77EABA66-0D26-43A1-91DB-A1A84BBDDB9B}

LeanFT:

MsiExec.exe /fm {1FA89ABD-7347-4B1B-913F-87F78B05FFF0}

Windows 8/8.1

From the Charms screen, start typing the word 'Command'. A list of matching programs will appear.

Right click 'Command Prompt'.

Select Run As Administrator. A Dos Prompt will appear.

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

UFT One 15.00:

MsiExec.exe /fm {77EABA66-0D26-43A1-91DB-A1A84BBDDB9B}

LeanFT:

MsiExec.exe /fm {1FA89ABD-7347-4B1B-913F-87F78B05FFF0}

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 15.00:

MsiExec.exe /fm {77EABA66-0D26-43A1-91DB-A1A84BBDDB9B}

LeanFT:

MsiExec.exe /fm {1FA89ABD-7347-4B1B-913F-87F78B05FFF0}