Hello,
we have had a similar problem.
On the failing machine I have had installed IE 3.x.
After an upgrade to IE 5.5SP2 the error message was gone.

Bye
   Rainer Tammer

On Wed, 20 Mar 2002 09:22:44 -0600, Williams, Tim P {PBSG} wrote:

>I have seen this too. I have brought this to support, but haven't gotten too
>far on
>problem resolution or acceptance.
>**
>Can you remember, if during your install, that you didn't have some
>component of html...
>and you selected yes...to go ahead and install it...(during the
>install/upgrade of your
>tsm client).
>Thanks
>
>-----Original Message-----
>From: Sutch, Ian (London) [mailto:SutchIan AT EXCHANGE.UK.ML DOT COM]
>Sent: Wednesday, March 20, 2002 8:11 AM
>To: ADSM-L AT VM.MARIST DOT EDU
>Subject: TSM 4.2.1 Client Error
>
>
>Hi,
>
>We have recently installed Version 4.2.1.22 to a Windows NT client.
>The scheduled backups run ok, however when you run dsm.exe locally we get
>the following error:
>
>Error
>Error Initializing the cache, Shutdown all programs and run scandisk or
>chkdsk. Delete the cache, cookies and history directories in your windows
>directory and then restart IE. If the problem persists reinstall IE
>
>Has anyone seen this?
>
>Thanks
>