Automatice Update Failed - reducing packet size

[viewridge]

Store ID: 41532
Website URL: golfgeargalore.com
URL to page in question: N/A - please see problem description below

I received e-mail with following description indicating that automatic update couldn't be completed. I have looked in your documentation/support and it discusses reducing packet sizes to 500. I completed this and few days later I receive following e-mail. I then reduced packet size to 350. A few days later I still receive following message.

I also have created the temp directory as discussed your video.

Also, for what it's worth, I updated the plugin a few weeks ago.

Can you please help,

E-mail message..............................

This is to inform you that the automatic update on your website (golfgeargalore.com) has failed. Please see the error message(s) below:

ERROR:
-Update blocked by another process (more info: http://www.datafeedr.com/go/err_update_blocked)

Technical details:
plugin/plugin:152 view=()
app/tracker:88 added referer=(http://nalberan.com/) id=(278)
app/response:6 out: error=(no_view)
unlink /home/content/81/8864681/html/golf/wp-content/uploads/store/tmp/dfr_dc14d6285374265fad00f0a7c3582003
unlink /home/content/81/8864681/html/golf/wp-content/uploads/store/tmp/dfr_dc14d6285374265fad00f0a7c3582003.1
unlink /home/content/81/8864681/html/golf/wp-content/uploads/store/tmp/dfr_dc14d6285374265fad00f0a7c3582003.ungz
app/update:156 UPDATE FAILED
ERROR:err_update_blocked(status=read lock=7288-fe229d4c88220d12f35cb04ea0462885 since=1347) line=152

URL: /index.php

Thank you