You can repair UFT 12.50 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 to the dos prompt and press enter.
- For UFT 12.50:

MsiExec.exe /fm {E184FC72-048E-4966-80FC-C9D0B9E1CBA9}

- For LeanFT:

MsiExec.exe /fm {52759851-9210-4388-ADDE-9C1E1AB185C4}

**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 to the dos prompt and press enter.

- For UFT 12.50:

MsiExec.exe /fm {E184FC72-048E-4966-80FC-C9D0B9E1CBA9}

- For LeanFT:

MsiExec.exe /fm {52759851-9210-4388-ADDE-9C1E1AB185C4}