Problem with wrt54gl Cannot find server or DNS Error

Hello,
I am having problem with wrt54gl roouter. I have windows 2K professional that connected trough the wire. The browser (and other tools) is periodically loosing connection for around 30-60 seconds showing "Cannot find server or DNS Error". after refreshes it comes back. If I connect PC directly to internet without router I never have a problem. I have put statical resolution of dns servers(3 of them) and ip does not help. I switch between ports on pc and router site, change the cable, remove antivirus, put latest windows updates, use different browsers. Disable anable 2d network card (2 on mother board).
Any suggestions?
Thanks

Hi… Login to the setup page of the router and reduce the MTU to 1365. Upgrade or re-flash the firmware if needed.

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    null

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    BUG Reference: 1924408
    Open Date: 07/31/2001
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