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Unable to upload new activities!

Former Member
Former Member
Dear sir and madams,

After my latest running this morning, I can no longer upload new activities through Garmin Connect, using the Forerunner 305.

Normally I use Google Chrome to upload new activities, but in frustration of the missing data, I tried Internet Explorer also, but with no luck.

I then tried to put the dongle into another free USB port, but still no luck.
Then i tried to restart the computer, but all with same result.

I also tried deleting history in the watch, keeping only the last months activities (which are all stored using Smart Time).

As a last resort I tried using the Training Center, and this works somewhat fine, although June 3 is stored under week of May 30th, why this might be a bug in either the watch or the Training Center.

Any help in regards to resolving this matter is highly appreciated.

With thanks in advance,

Michael