Hello sabc, I got exactly the same problem here... I've tried millions of times since yesterday and I am getting tired 
 
 
Find out if you're eligible to apply
 
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What would you like to do in Canada? 
 
Work 
  
How long are you planning to stay in Canada? 
 
Temporarily - more than 6 months 
  
What is the country/territory of your passport? 
 
China
  
What is your current country/territory of residence? If you are presently in Canada, you should select Canada. 
 
Canada 
  
Do you have a family member who is a Canadian citizen or permanent resident and is 18 years or older? 
 
No 
   
What is your date of birth? 
 
  xx xxxxx, 
      
Are you a permanent resident of the United States and have your alien registration card (Green Card) or other proof of permanent residence? 
   
No 
 
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What is your current immigration status in Canada? 
   
Worker 
 
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Does one of the following apply to you? •I am subject of a removal order that is unenforceable•I applied for a study or work permit before entering Canada which was approved, but not issued at a port of entry; or•I am a primary or secondary student with visitor status in Canada; or•I am a visiting or exchange student with visitor status in Canada; or•I am a student who has completed a program of study that is a prerequisite to my enrolment at a designated learning institution with visitor status in Canada; or•I applied for permanent residence to an office in-Canada and was determined to be eligible for permanent resident status (first stage approval).   
 
No 
  
Are you are a spouse, common-law partner or dependent child of a person who: •Holds a Work Permit for a job in National Occupation Classification O, A, B;•Holds a study permit and is a full-time student at a university, community college, CÉGEP or other authorized educational institution;•Holds a Temporary Resident Permit that is valid for six months or more;•Applied for Permanent Residence to an office in Canada and was determined to be eligible for Permanent Resident status (first stage approval)•Is subject of a removal order that is unenforceable.  
 
No 
  
Are you a spouse, common-law partner or dependent child of a person who is: •a foreign government officer in Canada on an exchange agreement•a military personnel assigned to Canada•a participant in professional sports activities or events•an employee of a foreign news company•a religious worker   
 
No 
    
Are you a NAFTA trader, investor, intra-company transferee or professional? 
   
No 
 
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What is your marital status? 
 
Never Married/Single 
  
What is your province of destination? If visiting multiple provinces, select the one in which you will be spending most of your time. 
 
Alberta