Error message showing opening file from remov

Hello,

when im trying to open my file error message id showing suggestions

* check the file permissions for the document or drive
* make sure there is sufficient free memory and disk space
* open the file with text recovery converter

there is sufficient space as it is a new 2gb memory pen and iam able to open other files i have saved to this disk.

would appreiate any help iam useless with computers.

thanx.