Hello . I'm also having this situation , but i'm running OSX 10.9 Mavericks . When i click PCmonitor , it asks to install helper, so i click to install, but after that , nothing happens .
On Console this is the message that appears :
Dec 2 21:56:11 Chronos launchdadd[25470]: FAILURE: Could not submit job to launchd.
Dec 2 21:56:11 Chronos launchdadd[25470]: FAILURE: Job com.mobilepcmonitor.PCMonitorHelper could not be installed from /Applications/PC Monitor.app/Contents/Library/LaunchServices/com.mobilepcmonitor.PCMonitorHelper, reason 2.
Dec 2 21:56:11 Chronos PCMonitorUI[25535]: Failed to bless helper
Any help would be appreciated .
Best regards