Give those a try.
1. Log in with GC Key account
2. Permanent Residence - Family Class (Spouses)
2. Application Number and Family Name - Copy/paste application number from email (including the F) and enter PA's last name
3. City of Birth - enter 1 space (hit spacebar once)
4. Country of Birth - Select PA's country of birth
5. Passport Info - Do not enter any passport info
6. Other Application Info - Fill out the other application info as per your application and put '2' as the number of members in the application for sponsor + spouse (add +1 per dependents)
OR...
1. Log in with GCKey account
2. Permanent Residence - Family Class (Spouses)
3. Application Number and Unique Client Identifier (UCI) - Insert application number and UCI from email
4. City of Birth - Insert PA's City of Birth
5. Country of Birth - Select PA's Country of birth
6. Passport Info - Insert Passport number, issuance and expiration info
7. Other Application Info - Fill out the other application info as per your application (Province, City and marital status) and put '2' as the number of members in the application for sponsor + spouse (add +1 per dependent, if any)
8. Click on the 'Search for my application' tab
9. Then on 'Link my application' tab
OR...
1. Log in with GCKey account
2. Permanent Residence - Family Class (Spouses)
3. Application Number and Unique Client Identifier (UCI) - Insert application number and UCI from email
4. City of Birth - Insert PA's City of Birth (LEFT THIS BLANK)
5. Country of Birth - Select PA's Country of birth (LEFT THIS BLANK)
6. Passport Info - Insert Passport number, issuance and expiration info
7. Other Application Info - Fill out the other application info as per your application (Province, City and marital status) and put '2' as the number of members in the application for sponsor + spouse (add +1 per dependent, if any)
8. Click on the 'Search for my application' tab
9. Then on 'Link my application' tab
Even if those don't work out,, don't panic. The CIC website is going through a rough patch. Also, if you don't want the account to lock up on you for 24hrs, do not try more than 5 times per day.