Error -199: A Filtering Error Occured / Trash the Outlook Express Cache

  • Operating System(s): MacOS
  • Operating System Version(s): 7.0.1, 7.1, 7.5, 7.5.1, 7.5.2, 7.5.3, 7.5.5, 7.6, 7.6.1, 8.0, 8.1, 8.1.1, 8.5, 8.5.1, 8.6, 9.0, 9.1, 9.2, 10.0, 10.1
  • Application: Microsoft Outlook Express
  • Application Version(s): 4.5

In Outlook Express 4.5, this error means that a corrupted email message is stored in cache memory. To solve the problem, clear the cache as outlined below.

Error Message

Error -199: A Filtering Error Has Occurred
Cause

A corrupted email message is stored in cache memory.
Solution

Solutions:

  1. Clear the cache.
  2. If you aren't able to open Outlook Express, drag the cache folder to your desktop.
How to Clear the Cache Memory in Outlook Express 4.5
  1. Open Outlook Express 4.5.

  2. From the Tools menu, click Empty Cache, and choose Empty Entire Cache.

    After clearing the cache memory, you should no longer receive the error.

How to drag the Cache folder to the Desktop
  1. Locate and open the OE User(s) folder (Example location: Hard Drive\Internet folder\Internet Applications\Outlook Express 4.5\OE User(s)).
  2. Open the Identity folder.
  3. Drag the Cache folder to the Desktop.
  4. Close all folders.
  5. Open Outlook Express.