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Google Chrome has stopped supporting the PathPilot operating system. Dropbox support requires a browser to login to your Dropbox account. Tormach has supplied a tss file (tech support script) to automate the process of uninstalling Google Chrome and installing the latest version of Mozilla Firefox as the system browser instead.
Step 1: Update PathPilot to v2.10.1 or later
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Then select the update_firefox.tss file and click the Load G-code button to run it.
Depending on your download speed, it could take 5+ minutes to download the updates it needs and apply them. When it's complete, you’ll see a confirmation on the Status tab that update_firefox.tss was executed. (.tss files stand for Tormach support scripts.)
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In the mean time, with PP running, type Alt-E to bring up Gedit. Then click Open. Then type Alt-Up Arrow. That takes the File Open dialog up one directory and you’ll see dropbox.py sitting there on the internal drive. Select it. Then go down to line 866 which should be this line:
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Carefully delete the entire line. Click Save and then exit Gedit.
Then run ADMIN DROPBOX again and click Start Synching. Firefox will appear after a bit and you’ll need to login and link your Dropbox account to the controller.
NOTE: If you click the Uninstall button, that deletes the dropbox.py you just fixed above and upon the next Install button click, it will download it again from dropbox.com and it will be broken again. At that point, just repeat Step 4 again to fix.