Error 1064 after I upgraded, modules not displaying

I need help urgently to sort out this problem, I upgraded my joomla installation to 3.4. I posted one article in K2 then I made some adjustments in the module inorder to display the new article. Then the website disappeared with Error 1064, find attached a screenshot of the error.

image.jpg

When I unpublished the module, the website came back, I tried putting the article in another module the same thing happened, i removed the article but error remained until I unpublished the second module. Now all other article in the module cannot be displayed. I tried using custom HTML module but it won't display.
I have also used the extension manager to update the database successfully yet nothing has changed, please help.

Hello,

Please use forum search - this issue was described many times at our forum.

1) Upgrade the module
2) Clear your browser cache
3) Resave the module settings

Thanks for your help, I've actually found similar answers in the forum, I followed the steps outlined like updating NSP GK5 and so on but now the website just displays this error all through, not like in the previous case where I identified one module responsible, now it is the whole website!

@SamOur - please learn how to properly refresh your browser cache or use different browser - the only thing which I did was resaving all active instances of NSP GK5 - so it must be your browser cache issue. Now the error is gone.

Thanks a million