Error message “Sprinter is not installed on your computer. For sprinter installation instructions. select Help->Add-ins Page” when tried to run manual test from HP ALM 11 SP3 patch 8

Running tests from within ALM using Sprinter 11.50 as the Manual Runner is not supported for ALM 11.00 SP3 or earlier.

Workaround: Run test directly from Sprinter or install Patch 9 for ALM 11.00.