Martyn wrote:Do you have a good connection from the negative terminal of the battery to the ground clip of the probe ?
Martyn wrote:Are you using a laptop ? If so is it connected to the mains ? and does the mains plug have a plastic or metal earth pin ?
Make a backup copy of the folder-
On Windows 7/8/10-
On Windows XP-
C:\Documents and Settings\YOUR_USERACCOUNT\Local Settings\Application Data\Pico Technology\64..............
Then delete the original folder
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