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Need Help With System Error Code: 1400 Invalid Window Handle

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Hi all

As shown above, I have recently started receiving an error box with the message 'System Error Code: 1400 Invalid Window Handle'. This only started yesterday a few times and again this morning. But it only seems to appear when I click onto pdf links. I have read in various other posts that it my be a spyware infection? Many thanks in advance for any assistance.

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make sure you have all the latest windows security updates by visiting www.windowsupdate.com

then after that ensure you run a full virus scan, then a spyware scan using one of these programs would be recommended:



let me know if it finds anything!
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