QuickTest Professional Causes the Operating System to Crash or Hang

In extremely rare cases, QuickTest Professional (QTP) might cause system crashes, or hangs, after it is installed. These types of problems can occur at any point, but are most common during: 1. Launching QTP
2. Closing QTP
3. During text recognition statements
64-bit operating systems will also report, in the Windows Event Viewer, that a driver cannot be loaded and needs to be updated for 64-bits.
pal_drv.sys is the system driver that both QTP, and WinRunner, use. It was developed for the old text recognition mechanism that is no longer supported.

1. Open a command prompt (Start > Run > type “cmd” > “Ok”)
2. Navigate to “/bin” directory (for example: “cd C:\Program Files\HP\QuickTest Professional”) 3. Run the following command:

nt_tr.exe -remove
4. Reboot the machine.

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