Forced reboot occurring on Windows 7 x64 during pcAnywhere install or upgrade
This is a known issue on W7 machines and is due to the Microsoft C++ assemblies being updated and the MSIEXEC installer is forcing the reboot.
Until the C++ assemblies are updated, a reboot is required in these cases due to core Windows system files being updated as part of the upgrade. Recommended solution is to update the pcAnywhere plugin at a time when the impact of a reboot is minimized.
If you would like to update the distributables, here are some links to Microsoft for further information: