Take a look at this microsoft article about those errors: http://technet.microsoft.com/en-us/library/ee513069(v=office.14).aspx
Excerpt:
Most Common Job Causes:
SPPasswordManagementJobDefinition
Issue: Password change timer jobs (SPGeneratePasswordJobDefinition)
have not been scheduled or updated for farm credentials. Any additions
or changes made recently to the password change schedules for any
credentials in the farm will not be updated to match the changes until
this job completes successfully.
SPGeneratePasswordJobDefinition
Issue: A scheduled timer job to create a new password for a farm
credential failed. The current credential value might no longer be
valid and has to be updated manually in the Active Directory account.
If the credentials for the account are still valid, this timer job
should be restarted.
SPAdminAppPoolCredentialDeploymentJobDefinition
Issue: The new credentials for the Central Administration Web
application pool have not been updated on the local machine to match
the current value that was configured for the farm. This might prevent
the Central Administration Web application from starting.
SPContentAppPoolCredentialDeploymentJobDefinition
Issue: The new credentials for the application pool have not been
updated on the local machine to match the current value that was
configured for the farm. This might prevent the application pool from
starting.
SPWindowsServiceCredentialDeploymentJobDefinition
Issue: The new credentials for the service have not been updated on
the local machine to match the current value that was configured for
the farm. This might prevent the service from starting.
SPMasterPassphraseDeploymentJobDefinition
Issue: The master passphrase for the farm has not been updated on
the local machine to match the current value that was configured for
the farm. This might prevent decryption or encryption of the farm
encryption key until it is updated locally.