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I've upgraded from Ubuntu 11.10 to Ubuntu 13.10. At the end of installation, a message showed that there are some softwares that can't be installed and they must be manually installed later. When the installation finished, I tried to login with my Administrator account (with CORRECT password), but I couldn't. I had to login with Guest account. Anyone has the same problem? what need to do to fix?

Thanks a ton!

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Try to access in X-Terminal pressing CTRL + ALT + F1 and try login from there. To switch back press CTRL + ALT + F7 – rahilwazir Dec 12 '13 at 6:44
Hi Rahil. I logged in successfully in X-Terminal. But when i got to Desktop Login, I couldn't login. I create a new Administrator account and using it for now. – user224645 Dec 12 '13 at 7:13

I had almost the same problem(I guess) since I do not know the exact system configurations pre and post installations I cannot say for sure, but for the similar problem I had I tried the boot-repair tool turns out my hardrive was full. Give it a try.

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mount:can't read proc/mounts

It's a problem with the installation package you had. Had a bad batch, check out the first answer above.

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