HDCP error in Netflix using Safari

If you try to play Netflix on Safari using an external monitor/projector (either mirrored or extended), you may get this errror: Whoops, something went wrong... Display Error There appears to be a display problem. Please ensure your monitor is HDCP compliant and is not mirrored using Airplay. For additional assistance resolving this issue, please visit […]

Changing the error policy on a CUPS printer

The default error policy for printers on CUPS (which Mac OS X uses, and which most Linux systems also use) is stop-printer. You can see information about your printers and error policies by looking at the output of the printers.conf file with this terminal command: sudo cat /etc/cups/printers.conf If you want to get the actual […]

hdiutil: create failed – error -5341

Usually if I have an .app I want to import into Munki, I just use munkiimport nameofapp.app, and Munki automatically creates a read-only disk image (.dmg) with the .app inside. For some reason, with the mBlock.app, I kept getting a 5341 error. I tried this workaround, but I still got the same error. What worked […]

Using OpenSnoop with process names that have spaces in them

opensnoop is a command-line tool that comes preinstalled with Mac OS X allowing you to see what's being modified in your filesystem. If you Google some tutorials on it, you'll see that you can track a particular process name like Safari with code like sudo opensnoop -n Safari but if you try to do it […]

Error 0x80070190 when activating Microsoft Office 2010

Had this happen once on a Windows machine. Microsoft has several solutions outlined at When attempting to activate Office 2010 receive error "An unspecified error has occurred. Your request cannot be processed at this time. Please try again later. (0x80070190)" The one that worked for me was 3. Change the UserOperations key under HKEY_LOCAL_MACHINE\Software\Microsoft\OfficeSoftwareProtectionPlatform to […]

YouTube redirect loop when creating a channel

If you have new users (that's right—new) trying to create a new YouTube channel and then running into errors... ... like this... ... or like this. Lots of people have run into this issue, and there many proposed guesses (but no consensus) as to what's the issue and what's the fix: My Channel and Create […]

LEGO Mindstorms stuck on splash screen

For the odd computer here and there I've had LEGO Mindstorms get stuck on the splash screen (we're talking 10-15 minutes or more). A bit of trouble, but I've found going to /Library/Internet Plug-Ins and deleting the Silverlight.plugin, then reinstalling both Silverlight and LEGO Mindstorms seems to fix it.

Windows Explorer and Disk Management reporting different partition sizes

I ran into an issue with a user running Windows on a Mac. Windows should have taken up the entire drive (which is 250 GB), but Windows Explorer was reporting about 90 GB. The really odd thing is that within Disk Management itself, it reported 90 GB on top (same as Windows Explorer) but then […]