browser hangs in downloads
in [Network and Web]
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From: GBA on 30 Apr 2010 07:50 there must be millions, literally, of home users such as myself that have their PC directly connected to the cable modem provided by, and installed by, the cable company......... back to the issue; can't seem to download the java.com recommended to have....hangs on that task.....both IE8 and Firefox.....and yet can browse some sites fine. Definitely never streaming media or anything with lots of activity...... but the XP Network Diagostics process will clear it up - but not a permanent fix as it will still hang on the same situations....... "Jack [MVP-Networking]" wrote: > Hi > First it is a big mistake to connect directly to a modem even if you have > one computer. > Especially on Cable Internet that works thta employ a topology of many users > connected together on the same Node. > Get yourself a Router that are very inexpensive (Example, > http://www.newegg.com/Product/Product.aspx?Item=N82E16833320033&cm_re=wireless_router-_-33-320-033-_-Product ) > .. > The MTU on Cable Internet should be 1500. > In case you get a router read this, http://www.ezlan.net/broadband.html > Jack (MS, MVP-Networking). > > "GBA" <GBA(a)discussions.microsoft.com> wrote in message > news:AFC9F75E-A4C5-4771-9409-A65C860BB99E(a)microsoft.com... > > > > sorry for leaving out info; am connected directly to a TimeWarner cable > > modem. > > > > the firewall/antivirus are off just as a trouble shooting need.... > > > > my MTU field was blank - so I put in 1300. > > > > one more thing - downloads such as a file attachment to an email seem to > > work....at least so far I've done a couple upto 2M and they've worked > > ok... > > > > it is the streaming media that really never works at all or at least not > > for > > very long....I went to youtube and tried it after the 1300 MTU entry and > > the > > download to fireup the video went again into hang mode of never > > ending....of > > course I never let it run forever to see if it ever completes.... > > > > in the dslreports...mine were not all at default like their example; mine > > are: > > scale: yes > > timestamp: no > > select acks: yes > > path mtu disc yes > > black hole: no > > max dup: 2 > > ttl: 64 > > > > and then went to <http://www.dslreports.com/tweaks> and saw my java > > applets > > weren't working....so haven't resolved that point.... > > > > > > "John Wunderlich" wrote: > > > >> =?Utf-8?B?R0JB?= <GBA(a)discussions.microsoft.com> wrote in > >> news:DBD77340-AB39-4D09-9C37-D57F5495AF07(a)microsoft.com: > >> > >> > hi folks, > >> > > >> > have xp/sp3 with 768Ram & 400meghz...have turned off windows > >> > firewall and do not have antivirus at the moment (trying to rule > >> > them out)... > >> > > >> > both IE8 (set to all default values) and Firefox will hang during > >> > any significant download. Streaming video in example always > >> > hangs....but so will just some web pages that are particularly > >> > busy.....browses fine for most other sites for awhile but will > >> > also sometimes just hang. > >> > > >> > when can't reach a site - xp will pop up offer network diagnostic > >> > feature - - and that will clear up the problem (though a download > >> > has to restart from beginning and still will never complete... > >> > > >> > I ruled out IE8 by trying Firefox....and I don't really think it > >> > is a virus........have looked at the logs offered during the > >> > Network Diagnostics and I see a line about semaphore timeout... > >> > > >> > anyone knowing about this? would really appreciate some help on > >> > this.... > >> > > >> > >> There are a lot of details lacking, but to me the symptoms point to a > >> MTU value being set too high. The absolute max MTU is 1500 but you > >> must subtract bytes for headers. Even more bytes must be subtracted > >> for DSL, and yet more must be subtracted for VPN. > >> > >> Setting the value too high will force the network to fracture packets > >> that are too big. This works for a while but soon things get scrambled > >> and everything halts. This is why this problem is most apparent when > >> doing downloads. > >> > >> To rule this out as your problem, change the MTU to an extremely > >> conservative value of 1300 (assuming you aren't using a dial-up > >> connection) with the program "DrTCP" available at: > >> <http://www.dslreports.com/drtcp> > >> Run it and set MaxMTU to 1300. Reboot machine. If you problem goes > >> away, then this is your problem. Otherwise you've ruled this out. > >> > >> You might try the "Tweak Tool" as well: > >> <http://www.dslreports.com/tweaks> > >> > >> HTH, > >> John > >> . > >> > > . >
From: Jack [MVP-Networking] on 30 Apr 2010 13:13 Hi Yeah, and there are Millions of users that their Computers get Hacked on a daily basis, and then used as "Zombies'" to propagate Viruses and Malwares to others. ;) If you need the java download the runtime file and install indecently. http://majorgeeks.com/Sun_Java_Runtime_Environment_d4648.html Jack (MS, MVP-Networking). "GBA" <GBA(a)discussions.microsoft.com> wrote in message news:53D9CC1E-5B14-4939-8B34-DA050D82651A(a)microsoft.com... > there must be millions, literally, of home users such as myself that have > their PC directly connected to the cable modem provided by, and installed > by, > the cable company......... > > back to the issue; can't seem to download the java.com recommended to > have....hangs on that task.....both IE8 and Firefox.....and yet can browse > some sites fine. Definitely never streaming media or anything with lots > of > activity...... > > but the XP Network Diagostics process will clear it up - but not a > permanent fix as it will still hang on the same situations....... > > "Jack [MVP-Networking]" wrote: > >> Hi >> First it is a big mistake to connect directly to a modem even if you have >> one computer. >> Especially on Cable Internet that works thta employ a topology of many >> users >> connected together on the same Node. >> Get yourself a Router that are very inexpensive (Example, >> http://www.newegg.com/Product/Product.aspx?Item=N82E16833320033&cm_re=wireless_router-_-33-320-033-_-Product ) >> .. >> The MTU on Cable Internet should be 1500. >> In case you get a router read this, http://www.ezlan.net/broadband.html >> Jack (MS, MVP-Networking). >> >> "GBA" <GBA(a)discussions.microsoft.com> wrote in message >> news:AFC9F75E-A4C5-4771-9409-A65C860BB99E(a)microsoft.com... >> > >> > sorry for leaving out info; am connected directly to a TimeWarner >> > cable >> > modem. >> > >> > the firewall/antivirus are off just as a trouble shooting need.... >> > >> > my MTU field was blank - so I put in 1300. >> > >> > one more thing - downloads such as a file attachment to an email seem >> > to >> > work....at least so far I've done a couple upto 2M and they've worked >> > ok... >> > >> > it is the streaming media that really never works at all or at least >> > not >> > for >> > very long....I went to youtube and tried it after the 1300 MTU entry >> > and >> > the >> > download to fireup the video went again into hang mode of never >> > ending....of >> > course I never let it run forever to see if it ever completes.... >> > >> > in the dslreports...mine were not all at default like their example; >> > mine >> > are: >> > scale: yes >> > timestamp: no >> > select acks: yes >> > path mtu disc yes >> > black hole: no >> > max dup: 2 >> > ttl: 64 >> > >> > and then went to <http://www.dslreports.com/tweaks> and saw my java >> > applets >> > weren't working....so haven't resolved that point.... >> > >> > >> > "John Wunderlich" wrote: >> > >> >> =?Utf-8?B?R0JB?= <GBA(a)discussions.microsoft.com> wrote in >> >> news:DBD77340-AB39-4D09-9C37-D57F5495AF07(a)microsoft.com: >> >> >> >> > hi folks, >> >> > >> >> > have xp/sp3 with 768Ram & 400meghz...have turned off windows >> >> > firewall and do not have antivirus at the moment (trying to rule >> >> > them out)... >> >> > >> >> > both IE8 (set to all default values) and Firefox will hang during >> >> > any significant download. Streaming video in example always >> >> > hangs....but so will just some web pages that are particularly >> >> > busy.....browses fine for most other sites for awhile but will >> >> > also sometimes just hang. >> >> > >> >> > when can't reach a site - xp will pop up offer network diagnostic >> >> > feature - - and that will clear up the problem (though a download >> >> > has to restart from beginning and still will never complete... >> >> > >> >> > I ruled out IE8 by trying Firefox....and I don't really think it >> >> > is a virus........have looked at the logs offered during the >> >> > Network Diagnostics and I see a line about semaphore timeout... >> >> > >> >> > anyone knowing about this? would really appreciate some help on >> >> > this.... >> >> > >> >> >> >> There are a lot of details lacking, but to me the symptoms point to a >> >> MTU value being set too high. The absolute max MTU is 1500 but you >> >> must subtract bytes for headers. Even more bytes must be subtracted >> >> for DSL, and yet more must be subtracted for VPN. >> >> >> >> Setting the value too high will force the network to fracture packets >> >> that are too big. This works for a while but soon things get >> >> scrambled >> >> and everything halts. This is why this problem is most apparent when >> >> doing downloads. >> >> >> >> To rule this out as your problem, change the MTU to an extremely >> >> conservative value of 1300 (assuming you aren't using a dial-up >> >> connection) with the program "DrTCP" available at: >> >> <http://www.dslreports.com/drtcp> >> >> Run it and set MaxMTU to 1300. Reboot machine. If you problem goes >> >> away, then this is your problem. Otherwise you've ruled this out. >> >> >> >> You might try the "Tweak Tool" as well: >> >> <http://www.dslreports.com/tweaks> >> >> >> >> HTH, >> >> John >> >> . >> >> >> >> . >>
From: John Wunderlich on 30 Apr 2010 15:50 =?Utf-8?B?R0JB?= <GBA(a)discussions.microsoft.com> wrote in news:AFC9F75E-A4C5-4771-9409-A65C860BB99E(a)microsoft.com: > sorry for leaving out info; am connected directly to a TimeWarner > cable modem. > > the firewall/antivirus are off just as a trouble shooting need.... > > my MTU field was blank - so I put in 1300. > > one more thing - downloads such as a file attachment to an email > seem to work....at least so far I've done a couple upto 2M and > they've worked ok... > > it is the streaming media that really never works at all or at > least not for very long....I went to youtube and tried it after > the 1300 MTU entry and the download to fireup the video went again > into hang mode of never ending....of course I never let it run > forever to see if it ever completes.... > > in the dslreports...mine were not all at default like their > example; mine are: scale: yes > timestamp: no > select acks: yes > path mtu disc yes > black hole: no > max dup: 2 > ttl: 64 > > and then went to <http://www.dslreports.com/tweaks> and saw my > java applets weren't working....so haven't resolved that point.... > For the Java problem, try a manual download on another computer, transfer the file to yours, and run the install: <http://java.com/en/download/manual.jsp> You might try to reset your IP Stack: "How to reset Internet Protocol (TCP/IP)" <http://support.microsoft.com/kb/299357> LSPFix or WinXPFix will sometimes solve stubborn network problems. LSPFix: <http://www.cexx.org/lspfix.htm> WinsockxpFix: <http://www.snapfiles.com/get/winsockxpfix.html> Jack's recommendation to use a router is, IMHO, a good one although it doesn't help you solve this problem. Make sure you have a good anti- virus checker. Good Luck, John
From: GBA on 1 May 2010 08:00 Update: Did get the java downloaded & installed. No change. Also turned off Power Mgmt options - in that other dialog of similar symptom affected users that had left their PC for some time. No change. Did both links that you recommended. The second one seems to have made things worse; previously when browser would hang - the XP Network Diagnostics would appear - and that process would clear the browser for more browsing. Now - it results in the message that winsock needs to be reset. So I do a netsh winsock reset catalog - - - but unfortunately that requires a reboot....so that is a bummer. checked XP system update - and I am current in that department. bottom line: whether IE8 or Firefox, with firewall & anti virus off, direct connect to cable modem; and can browse to some sites - like google and this site and southwest airlines.....but some sites always hang: delta airlines delta.com, any streaming video.... it would seem the sites that hang are dishing out alot of things...or perhaps it is the type of things they are dishing out....or possibly refer to an extremely long url string........but either way during the prolonged connection the handshaking goes bad..... as noted in the original post - XP network diagnostics use to note a semaphore timeout.....not sure if that is a red herring or not..... "John Wunderlich" wrote: > =?Utf-8?B?R0JB?= <GBA(a)discussions.microsoft.com> wrote in > news:AFC9F75E-A4C5-4771-9409-A65C860BB99E(a)microsoft.com: > > > sorry for leaving out info; am connected directly to a TimeWarner > > cable modem. > > > > the firewall/antivirus are off just as a trouble shooting need.... > > > > my MTU field was blank - so I put in 1300. > > > > one more thing - downloads such as a file attachment to an email > > seem to work....at least so far I've done a couple upto 2M and > > they've worked ok... > > > > it is the streaming media that really never works at all or at > > least not for very long....I went to youtube and tried it after > > the 1300 MTU entry and the download to fireup the video went again > > into hang mode of never ending....of course I never let it run > > forever to see if it ever completes.... > > > > in the dslreports...mine were not all at default like their > > example; mine are: scale: yes > > timestamp: no > > select acks: yes > > path mtu disc yes > > black hole: no > > max dup: 2 > > ttl: 64 > > > > and then went to <http://www.dslreports.com/tweaks> and saw my > > java applets weren't working....so haven't resolved that point.... > > > > For the Java problem, try a manual download on another computer, > transfer the file to yours, and run the install: > <http://java.com/en/download/manual.jsp> > > You might try to reset your IP Stack: > "How to reset Internet Protocol (TCP/IP)" > <http://support.microsoft.com/kb/299357> > > LSPFix or WinXPFix will sometimes solve stubborn network problems. > > LSPFix: > <http://www.cexx.org/lspfix.htm> > WinsockxpFix: > <http://www.snapfiles.com/get/winsockxpfix.html> > > Jack's recommendation to use a router is, IMHO, a good one although it > doesn't help you solve this problem. Make sure you have a good anti- > virus checker. > > Good Luck, > John > . >
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