I'm having a weird problem in document programs such as Word and Excel, also entering script here in a TD post. While typing the cursor will suddenly move to a random spot in the document and continue inserting text at that spot.

This is incredibley annoying as I do a lot of work in excel and word and generally type while reading from a report and not looking at the screen. Result being a lot of deletion and re-writting.

Its an Acer laptop.

Any ideas