Please make sure you’re using the latest version of GarageSale 7, which is 7.0.21.
You can still download this version form the “Download Older Versions” section here:
(you have to scroll down a bit)
You shouldn’t use any older versions. If possible consider upgrading to GarageSale 8 which is the most recent version.
If you still get the same error in GS7, please tell us which IP you have while you are getting this error. Your IP address is shown here:
If you don’t want to post your IP here, feel free to send me a direct message or contact our support directly.