Installs Service Pack 1 for MassHunter Acq for TOF and Q-TOF B.05.01.

-If the operating system is Windows 7, right-click QTOF_B0501_SP1.exe, then select "Run as administrator".

-Please close Excel if it is currently open.

-Please remember to reinstall the service pack if you upgrade to Excel 2013 to reinstall addins correctly.