ubuntu 12.04 +compiz +Nvidia

I'm just wondering if anyone else has experienced a problem after upgrading their ubuntu to the new 12.04 version? My problems (just the 2) are as follows.

1. Not so important. Immediately after the update and subsequent restart of computer my desktop appeared for about a second or so after logging in. then it appeared to "scroll downwards" whilst being replaced with a plain black screen. A few minutes of waiting followed by several "annoyed"key presses and a message appears telling me to restart nautilus so that my "dropbox" will work. The restart button does nothing

2. The desktop appears and vanishes a few more times until I am informed that compiz has crashed and do i wish to send a report. The only information I am able to access is what is already on my desktop. I am able to use a shortcut folder to my music files to locate my documents folder and can open it all as normal - pics, music, video and documents; however there is no desktop title bar. No clock, or calendar or the usual icons and the unity side bar doesn't want to play

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For now I have gotten around this problem by changing my log in settings to use Unity 2D - kind of annoying though as the side launcher now displays these giant monstrous icons.

To be honest unity has grown on me this past year and I actually find myself over to the left side of the screen whilst in work awaiting for a menu bar to appear and then remembeing I am using Windows. Perhaps one day I will be able to update to a newer version of ubuntu without it causing me problems.

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Ubuntu - no.
Nvidia - no.
Compiz - no.

I stick to Debian, Intel motherboard video, and tried Compiz but soon got bored with the effect!

Not much help, am I?

Yes, I have the same issues after installing the Nvidia extra drivers. Before installing the drivers, my display looked like it was being projected on to a venetian blind. Booting into recovery mode and the rebooting worked, as the display then defaulted to VESA mode (until I rebooted again).

Regards,
Ed Bailen

i discovered through research that the problem was with nividia 6 series and 7 series cards.

I don't play games, so i just got myself a cheap 30 quid 8 series from amazon and stuck it in the pc. didn't even need to install any drivers. system works gret and i don't even get that weird distorted effect i used to when returning from hibernation (obviously i mean the pc, not myself)