HELP! The new update has screwed up my computer!

Help! I updated to the new Comodo version (the one with widget and stuff) and now my computer is acting strange. Since the update:

*I can’t access the Gadget menu (right clicking on desktop and clicking Gadgets), though sidebar.exe loads and all gadgets except one is still working
*One of my Gadgets is not showing, the Drives Meter by Addgadget.com
*Because I felt things had gone wrong I tried System Restore, but after the computer loading again it said that it couldn’t system restore
*Can’t shut down or restart my computer because at “Logging you out”, it stays there and won’t continue shutdown. I have to press the button and hold it until it shuts down

What the hell, Comodo? What has the update done to my computer? Is there some kind of setting that has been changed that is blocking some functions?

I chose to not install the toolbar or the strange program (it had a Dog as a logo) it wanted me to install.

I use windows 7 with Comodo and Avast.

Please do not double post it is against the forum policy

https://forums.comodo.com/install-setup-configuration-help-cis/new-comodo-update-screws-up-my-computer-t103261.0.html

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