Buzz·Posted on Sep 16, 201518 Headaches Everyone Who Works In An Office KnowsWhen your 9-to-5 turns into weekday warfare.by Leonora EpsteinBuzzFeed StaffLinkFacebookPinterestTwitterMail 1. One of these errors, which means IT is going to hate you today: 2. "DIY" IT solutions that never help the situation: View this photo on Instagram 3. The one person who does something weird in the bathroom: View this photo on Instagram 4. Or who just doesn't seem to understand the concept of a bathroom in the first place: View this photo on Instagram 5. And that one co-worker whose cubicle is so meticulously decorated that you kind of dread ever having to go over to talk to them: 6. Or that manager who wants to make sure everyone knows they're the coolest: 7. The sign that scolds you for not pitching in: View this photo on Instagram 8. Your awful desk/chair setup, which is uncomfortable no matter how you sit/stand: View this photo on Instagram 9. The shitty printer you just don't know what to do with anymore: View this photo on Instagram 10. The prankster who decides to mix up all the candy in the kitchenette: 11. A passive aggressive note your boss leaves you, which, like, is he for real?: View this photo on Instagram 12. The war on the thermostat, which becomes more brutal by the day: View this photo on Instagram 13. That one rule no one in the office likes to follow and the "funny" note that tries to remind you about it: View this photo on Instagram 14. That one co-worker with the mug, and his crusade against others using it: 15. Or the one co-worker who decides the fridge is fair game: 16. The broken coffee machine, which of course has now sparked a passive aggressive Post-It exchange: View this photo on Instagram 17. The attempt to make a joke about sexual harassment training: 18. And finally, the memo HR sends out, which makes you uncomfortable for weeks: View this photo on Instagram