Thanx but it only takes me 5 tries with a mouse for it to happen correctly.
Wondering if I could run this by you? It's sort of same topic if it could cause the odd behavior.
I was looking through installed programs and noticed that Libre Office may not be installed.
I took a screenshot "libreoffice - 1:4.2.7-Oubuntu2 - productivity suite (metapackage)" is not checked
Is that something wrong or not?

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That's an all inclusive package which contains most, if not all the "office" applications they offer. Doesn't mean that LibreOffice Calc or LibreOffice Write aren't installed, just not that whole package. Check the extra info on that option and you should see a summary of what's included if you were to install that.

The strange happenings that I thought were gone are coming back. I think I'm going to prepare for a fresh install backing up data. Should I run seatools from UBCD to check the drive or is there a non destructive way to test that has a tutorial I can copy and past from into command line? I'm not all that mentally clear enough to do it immediatly but will plan to do it soon as I clear.
Funny tho the strange behavior mostly happens when I use one document or creat another document with the same name using a different table lay out. This is bizarre, only things that come to my mind are hard drive errors, memory errors, or corrupt installation. I did memtest for several hours and nothing showed there. I'm wondering if having the system installed with an incorrect bios setting for video won't recover unless I reinstall with correct video setting enabled in bios. The hard drive is making a little more clatter than it did 2+ years ago but nothing really alarming so far. My first and persistent thoughts are that it's LO though. The behavior is specific to this program and more specific to specifically named documents containing tables.

This does not convince me that the problem is hardware, because hardware problems would be visible for all programs, not just a specific one.

While hardware may be old and therefore suspect, the problems associated with it would be uniform to the entire system not just a particular program or two.

The theme of hardware does however come up a lot where you mention you've tried different mice and here you mention the video bios. So my guess is that you have old hardware, which is also piecemeal in that the disks are old, if not older than the motherboard, and so forth.

Sorry, but the way "I" would attack this is to ensure that my hardware was not the issue, and therefore I would buy a new system or new parts. I realize that's not always the best option for people, however if one suspects a hard drive, then that's a critically big part of the system to have be a question mark. Running disk scan utilities, or using smartctl are worthless if the drive is old and therefore close to failing, IMHO you may get an indeterminate judgment from those utilities, leading you to believe all is fine and then at some random point in the next 6 months to year the component dies completely.

I've had a hard drive fail on me, it is irrecoverable unless you constantly save critical data all the time, which also would mean that you know it's very close to failing. Given the options of my time and hassle to manage constant monitoring, I'd opt to replace with a newer hard drive sooner.

The other differences are though that the mother board, keyboard, mouse, screen, power supply ... all that stuff can fail randomly and not be critical. I would append though that if a mouse or keyboard were acting suspiciously, I'd throw them away because replacement costs for those are minuscule.

I used to reuse mother boards and power supplies, but then I found myself iteratively replacing those components, therefore now I just buy a whole system; mainly also because usually the hard drive and RAM memory spaces have grown since the last time I replaced a system anyways. And further, the power requirements as well as hookups for technology have updated, plus an old power supply is dusty, and probably has the highest tendency to be the component to fail.