Most of the time business wants to use custom profile center instead of vanilla or out of box profile center. Without profile center and physical Email Address you cannot send email. To overcome this scenario you need to add profile center and physical Email Address in Email and hide it using Ampscript.
Salesforce Marketing Cloud : Error : “Upload Error uploading, decompressing, or decrypting the file”
In Salesforce Marketing Cloud, you will get and below error while import/export csv,xls etc file. Error : “Upload Error uploading, decompressing, or decrypting the file” Resolution : Most of the time this error occurred due to there was no FTP Accounts Added. So your Administrator needs to add a new FTP account and re-attempt the import. You can refer the Knowledge Article
In Salesforce Marketing Cloud, most of the time we need to retrieve the Publication Lists associated to the Subscriber. Please find below SSJS code snippet for same. UI FORM SECTION PROCESSING PAGE SECTION :
How to Open PDF or any file from Browser Script