To do UFT 11.5 Repair with out media.
 The following will repair UFT 11.5  without the install media. 
**NOTE:  This may reset patch registry setting and the patches may have to be re installed.**
Window 7
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>  1. Press the 'Start' button
>  2. find command prompt and right click on it
>  3. select ''Run as Administrator''.
>  4. A Dos Prompt will appear.
>  5. copy the following to the dos prompt and run
    MsiExec.exe /fm {73CD53D8-1B8E-489B-97F1-15BA7031F417}
>  6. A window will appear and the repair will start.
>  7. When the window disappears the repair is complete
>  8. Then run Start > HP QTP > Tools > Additional Install Requirements.
Windows XP
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>  1. Ensure you have local Adminstrator rights
>  2. Press Windows Key and ''R''
>  3. Type ''CMD'' in the open window.
>  4. A Dos Prompt will appear.
>  5. copy the following to the dos prompt and run
    MsiExec.exe /fm {73CD53D8-1B8E-489B-97F1-15BA7031F417}
>  6. A window will appear and the repair will start.
>  7. When the window disappears the repair is complete
>  8. Then run Start > HP Software > HP Unified Function Testing > Tools >
> Additional Install Requirements.
NOTE if you repair Run Results Viewer you need to repair UFT afterwards
Results viewer
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    MsiExec.exe /fm {E86D56AE-6660-4357-890F-8B79AB7A8F7B}