Whenever I sync using Syncmycal, I get the error as ‘Captcha required’. How can I resolve this?
You get a "Captcha Required" alert from Google service when there have been frequent unsuccessful attempts to login to your Google account. Most common reason for this is incorrect password. The Google service looks at this as an attempt by a software program to capture your account and thus it locks it, thereby giving you a "Captcha required" alert.
To unlock your Google account from the "Captcha required" state, you should click on the following link,
and then enter your Google account credentials along with the Text shown in the image in the required field. Successful attempt would make your Google account operational again.