You can repair UFT 12.54 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 12.54:

MsiExec.exe /fm {1ADB5620-4D0A-429E-8A66-4995CB760610}

Lean FT:

MsiExec.exe /fm {F13D95B7-F647-473F-B2D4-DC3AA6CC86AC}

**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 12.54:

MsiExec.exe /fm {1ADB5620-4D0A-429E-8A66-4995CB760610}

Lean FT:

MsiExec.exe /fm {F13D95B7-F647-473F-B2D4-DC3AA6CC86AC}

**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 12.54:

MsiExec.exe /fm {1ADB5620-4D0A-429E-8A66-4995CB760610}

Lean FT:

MsiExec.exe /fm {F13D95B7-F647-473F-B2D4-DC3AA6CC86AC}