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'SymRealWinOpen is undefined' - why do I get this?

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An update to your popup-blocking software may be in order if you get the message 'SymRealWinOpen is undefined' on your machine.

by , © 2004

'SymRealWinOpen is undefined' - why do I get this?

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Apparently it's a side effect of one of the techniques some pop-up blockers use to prevent popups. I'd check with the vendor you got your popup blocking software from for more information, and possibly an update.

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Article C2112 - July 10, 2004

Leo Leo A. Notenboom has been playing with computers since he was required to take a programming class in 1976. An 18 year career as a programmer at Microsoft soon followed. After "retiring" in 2001, Leo started Ask Leo! in 2003 as a place for answers to common computer and technical questions. More about Leo.

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Recent Comments
26 Comments

everytime I open my msnmsgr (MSN MESSENGER), I get
Line:41
Char:3
Error: 'SymRealWinOpen' is undefined
Code: 0
URL: http://rad.msn.com/ADSAdClient31.dll?GetAd?PG=IMSCB2?SC=HF?ID=00014c90e081affb

then im asked if i want to debug. I've checked the url and it cant be located. and the debug doesnt work. Can anyone help me???

Posted by: MR.SKIDZ at February 8, 2006 7:57 AM

when i try to open my web page .
It shows errors. The top banner does not come out on my laptop but does on other computers.
Its says symrealopen is undefined.
What can i do
Thank you

Posted by: dan at August 28, 2006 2:53 AM

i get the same thing on firefox so how do i fix it so i can use onegreatfamily genealogy browser

Posted by: Rachael at September 22, 2006 2:39 AM

I think my computer might be monitored (by someone i know). When I log into internet explorer, it downloads rad.msn. i just happened to notice it yest. and then again today. what is that? also in my sypware doctor scan, i have been getting a "high" alert for netscape navigator. what is that and why can't i get rid of it. also some unusual reports on another computer in my house on java (plug in, gray paint box, sun java, and so on). Thank you. Allie

Posted by: Allie at February 1, 2007 10:35 AM

Re' SynRealWinOpen
I dont know how it works, but cotinually clicking "No" cleared the programme blocking pop-up on the "Outlook Express" that had an "Abbey National PLC" blag

Posted by: Kitcar at September 15, 2008 11:22 AM
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