Cursor jumping

When win7 boots and completes the cursor is locked on the left side of screen, and jumps up and down randomly. Booting into safe mode with networking the cursor works fine. this is a wired mouse logictech. This computer has been working fine until 3 days ago. I have performed a clean boot...

When I'm keying in text, the cursor will suddenly jump to somewhere else in the text and insert what I'm typing in amongst the previous text.

Crazy new problem here as I type. For some unknown reason my cursor has been "jumping" from the line I am typing to other places like the find box, the address line, to a previous line in my text. In fact it just now jumped back 3 spaces on the same line that I was typing. At first I thought it was...

I've been trying to figure this out and have read all about adjusting my touch pad sensitivity etc but that does not seem to work. Strangely, it happens only when I type a Y. Middle of a word, end of a word where ever there's a Y. Anyone else have a similar problem? I'm beginning to...

When i'm inputting data into search boxes etc. Sometimes my cursor will jump backward or move while i am typing text. It happens sometimes causing me to enter part of my password in the username fields thus revealing part of my passwords. At first i though it was due to the page continuing to load...