error messages

"Vista Home Premium Os,

32 bit

XPS M1530 Laptop

I just started a new online job and have had these problems ever since:

Error Messages:

one with a red circle and an x inside:"there was an error processing your request error code 2, "

one with a yellow triangle and an exclamation mark inside: "Unknown error number-146697208-Download of the specified rescource has failed."

In addition, when I:

1I appreciate all you people do. Yoube helped me out lots of times. Hopefully again..Thanks in advance.

MJ"