Not at all. No problem.
Rebooting is a well-known, if slightly mysterious way of putting many things right ... including nuclear submarines, or so it says in the advert!
Or like the old thing about what would be in the owner's manual if Microsoft built cars. " In the case of an engine malfunction, close all open windows and restart"
HP6140 Laptop, AMD A8-3500M Quad Core APU, 6GB RAM, Windows 7 Home Premium 64 SP1, IE10 & Outlook 2007, Comodo Internet Security 6.3, MBAM on demand
Google/Asus Nexus 7 tablet, Tegra 3 quad core 1.3ghz, 32GB storage, Android 4.4.2, Dolphin browser, TrustGo Mobile Security
HP 5215us laptop, AMD Turion64 single core CPU, 2GB RAM, Windows 8.1 pro 32 bit, IE11 & Outlook 2007, Comodo Internet Security 6.3--- All machines behind a NAT router