The error code "cer.018" typically refers to a certificate related issue. It might be related to SSL/TLS certificates in a web context or another type of digital certificate. To resolve this, check the certificate associated with the application or service generating the error. Ensure it is valid, not expired, and correctly configured. If you provide more context about where you encounter this error, I can offer more specific guidance.
[PRO TIPS] error — cer.018 how to fix permanently?
According to the web search results, the error CER.018 means that the user ID and/or password you entered are not correct¹. Here are some possible solutions to fix this error:
✅- Reset your user ID or password by following the instructions on the CRA login page³.
✅- Clear your cache, delete your cookies and internet history, and try logging in again⁵.
✅- Wait for 24 to 48 hours and try logging in again. Sometimes, the CRA system may lock you out temporarily due to security reasons².
✅- Contact CRA support by phone or email and explain your situation. They may be able to help you access your account⁶.
I hope this helps you resolve the issue and complete your tax filing. If you have any other questions, please feel free to ask me. 😊
As I mentioned before, the error CER.018 means that the user ID and/or password you entered are not correct¹. This can happen if you forgot your login credentials, typed them incorrectly, or if the CRA system locked you out for security reasons.
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