{"id":3183,"date":"2019-03-28T07:59:22","date_gmt":"2019-03-28T07:59:22","guid":{"rendered":"https:\/\/www.kerneldatarecovery.com\/blog\/?p=3183"},"modified":"2020-01-16T10:27:00","modified_gmt":"2020-01-16T10:27:00","slug":"resolved-outlook-error-could-not-complete-the-operation","status":"publish","type":"post","link":"https:\/\/www.kerneldatarecovery.com\/blog\/resolved-outlook-error-could-not-complete-the-operation\/","title":{"rendered":"Fixed – \u201cCould Not Complete the Operation. One or More Parameter Values are Not Valid\u201d"},"content":{"rendered":"

Being an executive, I use Outlook extensively for sending\/receiving emails. Outlook has always been a fantastic email client for me, but last night while sending an email, I received an error \u201cCould not complete the operation. One or more parameter values are not valid.<\/strong>\u201d<\/p>\n

After researching a lot, I got to know that many users face this error while sending an email, assigning a task, or saving a new contact. And the main reason behind this error is the corruption in the Auto-Complete list. So, I tried to figure out some solutions to fix this error.<\/p>\n

In this article, I have mentioned the effective methods to fix \u201cCould not complete the operation. One or more parameter values are not valid\u201d error in MS Outlook.<\/p>\n

Methods to Fix this Error<\/h4>\n

One of the best and most effective solutions to fix this error is clearing the Auto-Complete list. Now, there are different ways to clear the Auto-complete list in the latest Outlook versions. Here, I have covered the basic and most effective methods.<\/p>\n

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  1. Common Solution \u2013 Clear One by One<\/strong>This method is common for all Outlook versions. In this method, you\u2019ll have to remove each email address one by one from the Auto-complete list. To use this technique, type the first letter of the name in the address bar when creating a new email. The name of the recipient will automatically appear in the address bar, move the mouse cruiser over it and delete it.<\/li>\n
  2. Empty the Entire Auto-Complete List<\/strong> Another way to clear Auto-complete list is to empty the entire auto-complete list in MS Outlook. Follow the below steps to empty the Auto-complete list:\n