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About a minute after logging into my PC, after installing 13.10 Saucy Salamander from Precise Pangolin, I am unable to click on any window, or move any window, or click on anything in any window, or click on the Unity launcher, or the taskbar. Effectively, my computer becomes completely useless.

It seems as though logging out and logging back in (not restarting) solves it, but I could be wrong, as it only worked the one time (being this time), and I accessed the logout command by complete chance. My computer would otherwise not working.

I fear that there isn't any kind of fix for what I have, as I've searched and nothing has come up for my issue. If there is, that'd be great, and I'd embrace your answer. If there isn't, like I had imagined initially, is there a way for me to downgrade my version back down to 13.04? I don't feel like dealing with the headache of this problem if there isn't a fix for it. As well, I'm a little bit of a Linux newbie, and I don't really know much of what I'm doing with it.

I thank you kindly.

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you can unlog with alt+F4, then the arrows, then enter. Try it to see if re-logging solves it please –  MrVaykadji Mar 29 '14 at 0:52
If you upgraded all the way from 12.04, then I'd seriously consider doing a fresh install. But if you've only experienced the problem once, why not give it a little time? Crashes do happen and it might perfectly well have been a coincidence that it happened the first time. –  Jo-Erlend Schinstad Mar 29 '14 at 1:50

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