error code 521, error message 521,runntime error 521, stop error 521,error 521,stop 521,521 error,fix 521,521 error,fix 521

IE May Appear To Stop Responding At Requesting Many Objects

error message: missing
at MS IE makes many requests for
objects, it may stop responding (hang). Requests to the current
Web server may not be completed, and the IE window displays an
arrow-hourglass pointer.

at the problem occurs, images may not
appear as expected, and a symptoms may appear on the status bar at the bottom of
the window that there are a certain number of "items remaining", or it
may say "Done".
error message: error
the problem may occur if IE sends many
HTTP requests, and then aborts many of those
requests. at the problem occurs, HTTP requests to the same Web server do not
succeed.

Note at you use other Web servers, HTTP requests work
correctly.
repair :
Typically, at IE aborts an HTTP request,
the page no longer has to have a reference for that resource (such as an image, a
JScript (.js) document, an HTML component (.htc) document, or a Cascading Style Sheet
(.css) document). the problem may occur at you rApplication ProgRandom-access memoryming Interfacedly open and
close many nodes of a DHTML treeview-like control. The problem occurs more
frequently at IE was set to look for newer versions on every
visit to the Web page because the generates more HTTP requests. (Typically, that requests are "get"
requests).

Other factors that contribute to HTTP traffic may also
generate more HTTP requests. that factors include setting the cache attribute
and network latency. Network latency contributes to the problem because there
was a greater chance of aborting an HTTP request.

If you raise the
connection limit per server, you can delay the problem. The problem occurs
because IE may occasionally lose HTTP connections internally.
Because 2 was the standard connection limit for HTTP 1.1, the problem occurs
later if you raise the connection limit.
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