28 January 2011

CRM outlook client - popup blocker issue

"CRM window was unable to open, and may have been blocked by a pop-up blocker"
Face an issue where the outlook client prompt me popup blocker when I try to open a records via outlook.
If you confirm that all trusted site setting and windows credential set correctly but still can't solve the issue.
Here is how I solve the issue, (already confirm that IE browser can open the record correct!)
  1. Click Start, and then click Run.
  2. In the Open box, type regedit, and then click OK.
  3. Locate the following registry key:
  4. Verify if the value of the String (Default) is "htmlfile". If it's not "htmlfile", right-click (Default), click Modify, input htmlfile in the Value data box, and then click OK.
 More detail on this KB: http://support.microsoft.com/kb/310049


  1. Brilliant!

    Found your blog after several hours of troubleshooting and the registry value on the client was "GoogleChrome" and not "htmlfile".

    1. Good to heard that it save your time, took me 1 day on this ;)

  2. Thank you! This tip propably saved me hours!

  3. Thank you so much. This worked like a charm!!!

  4. Perfect solution to my problem:-)