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PC & MAC CLINIC - On line problem solving. (CPU)     

Crocodile - 16 Dec 2002 03:59

MightyMicro - 27 Apr 2006 20:17 - 4492 of 11003

rpaco:

I've reproduced this from my post on Supermum's "Stuck with 4 embedded virus!" thread.

I would suggest running Spybot and AdAware at a minimum, also installing Spywareblaster afterwards to prevent these browser hijacks from getting back in. Spywareblaster will also allow you to snapshpot your system so you can restore browser settings after a hijack. It protects both IE and Firefox. You can also snapshot the "hosts" file, another favorite target of browser hijackers

It's best to run these programs one at a time, as they can interact.

For Spybot, download from http://www.spybot.info/en/index.html

For AdAware SE (the free personal edition), download from http://www.lavasoft.de/

For Spywareblaster, download from http://www.javacoolsoftware.com/

As with all these things run frequently and keep them up to date by downloading the updates weekly or as often as recommended.

[On edit] There is one other program which is very useful tool but dangerous in the hands of the non-expert user (like, er, a surgeon's scalpel). It's called HijackThis and allows you to examine registry entries and other key system information. I found it useful to clean up rogue registry entries that were being a pain trying to load deleted DLLs from otherwise exterminated spyware.

Instruction on use and download from http://www.tomcoyote.org/hjt/

The Other Kevin - 03 May 2006 09:42 - 4493 of 11003

Sorry to keep The Publisher in suspense and belated many thanks to Spaceman, Kayak, Haystack and Mega for trying to help but I didn't crack it and things went from bad to worse. Eventually Outlook and IE packed up so I couldn't post or seek more help from you all. Man with van came round and tried unsuccessfully to re-install and I ended up 50 down with an upgrade to ME!!!!

At this point I decided to leap into the 21st century and invested in new machinery so that now I'm like a kid at Christmas playing with my new toys of XP Pro and broadband. Exciting!

Again, many thanks to all concerned. TOK

skinny - 03 May 2006 10:30 - 4494 of 11003

I keep getting "A run time error has occured - do you wish to debug"
Line: 0
Error : syntax error

how do I cure this please?

brianboru - 03 May 2006 10:42 - 4495 of 11003

Click on Tools, then on Internet Options.

Click on the Advanced tab.

Look for the "Disable script debugging" line and put a check mark in the box.

Now look for the "Display a notification about every script error" line and remove the check mark in the box.

skinny - 03 May 2006 10:48 - 4496 of 11003

Thanks brianboru - I had that checked - Disable script debugging (internet explorer) but the error was occuring on my AOL window - just noticed "Disable script debugging (other)" so problem now solved!

ThePublisher - 03 May 2006 12:05 - 4497 of 11003

TOK,

The silver lining under the cloud.

I tried to save a modicum of tech time by installing a new power unit in my photographic studio Win 2000 PC.

I screwed up the whole system - but it gave me a totally valid excuse to replace it with the state-of-the-art Win XP Pro mega fastest jobbie.

I'm over the moon and the old machine has been brought back into the office for pirating of bits.

Have fun.

TP

Bolshi - 04 May 2006 07:55 - 4498 of 11003

I've been 'converted' to BT's 8 meg offering. Had their wireless router (connected by ethernet lead - I now have 1 extra lead than before with the wireless router mains lead - lol).
Getting download speeds of between 2.5 & 3.4 meg - Wow. What a damp squid!
I've checked speeds at off-peak times (what a sad git), done all that was asked for maintenance of my PC and can see the roof of my local exchang from here. I feel conned! Now unfortunately signed up for further 12 months with the contract.
I doubt I'd get any extra speed with any BT competitors, they probably all use same equipment anyway.

Kayak - 04 May 2006 08:29 - 4499 of 11003

Bolshi, post up your connection speed, attenuation and SNR from the stats page of the router.

Bolshi - 04 May 2006 09:25 - 4500 of 11003

Kayak. Thx for time.
BT desktop Help manager gives me download speed of 3.018
Not sure about the other info. From the router manager stats, are these what you mean?

Statistics Downstream Upstream
Line Rate 8128 Kbps 448 Kbps
Noise Margin 8.5 dB 22.0 dB
Line Attenuation 39.0 dB 20.0 dB
Output Power 19.8 dBm 11.8 dBm

Edit: Can't get them into neat boxes - sorry

DocProc - 04 May 2006 09:25 - 4501 of 11003

Bolshi

I found the following tweak sites:-

http://www.kitz.co.uk/adsl/tweak2.htm

http://www.aopr43.dsl.pipex.com/ppages/tweaks.shtml

I've not had a need to look at anything like this yet myself, because my own 1.1Mbps BT Broadband speed is mostly OK, but it looks like the stuff on these pages can be used by anyone to tweak and get an improvement.

DocProc - 04 May 2006 09:41 - 4502 of 11003

And I also found a Tweaktester.

"Your PC may not be setup properly to take full advantage of broadband speeds. Modifying your configuration to maximise performance is known as tweaking. For many users, tweaking is a misnomer as it implies subtle improvements. Fixing huge problems is more accurate!"

http://www.dslreports.com/tweaks

Tweaking might fix
Slow download speeds
Download slower than upload speed
Skipping in TCP streaming video/audio
Blank web pages
Connection issues to some sites

Kayak - 04 May 2006 09:48 - 4503 of 11003

That's it Bolshi.

You're connecting at the highest possible speed with Max DSL, 8Mb/s downstream and 448Kb/s up. Your maximum throughput in terms of data should be around 7Mb/s (there is overhead to take off the 8Mb) but you're getting less than half that on BT's speed test. You can try the speed test at http://www.adslguide.org.uk/tools/speedtest.asp which is sometimes more accurate. If you still get a low result then the speed test at http://www.kitz.co.uk/adsl/btwspeedtest.htm will help you see whether the problem is at BT wholesale (BTw, who provide the equipment in the exchanges) or with BT retail (who provide you with your service). If the former then the problem is due to lack of capacity at the exchange and you are not likely to get benefit from changing ISP. If the latter then changing ISP will be of benefit.

As for the remaining numbers you posted up, the downstream attenuation of 39dB is the amount the ADSL signal has decreased over the distance from the exchange. It probably indicates a cable run of around 2-3Km which if you can see the roof of the exchange either means that the cable takes a very roundabout route or that the wiring is of poor quality. Either way you're stuck with that. It makes no difference at the moment since you're on the top speed but when ADSL2+ comes in with speeds up to 24Mb/s you will probably find you won't get too much more than you're getting at the moment.

The Noise Margin is the strength of the ADSL signal over background noise and the figure is not too bad in your case. This is very dependent on the quality of the house wiring and the main way to improve it is to separate the ADSL signal out at the master socket with a built-in filter rather than piping it around the house. However in your case there would not be a huge benefit in messing around since you are already at the highest speed.

Kayak - 04 May 2006 09:51 - 4504 of 11003

You can try the tweaks Doc suggests. In terms of general browsing speed with IE, if you're comfortable changing the registry then the following change will give a large benefit as it means IE can request 16 files at the same time rather than the default 4, I think.

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings: Set MaxConnectionsPer1_0Server and MaxConnectionsPerServer to 16 decimal.

Kayak - 04 May 2006 09:53 - 4505 of 11003

By the way, BT have said in the past that people should not expect the performance of MaxDSL to be much more than 2Mb/s at peak times, although most people are getting more than that, and certainly off-peak.

Bolshi - 04 May 2006 10:04 - 4506 of 11003

Many thanks Kayak & Doc. I'll get onto it. Not very encouraging to know that adsl2+ not going to do much for me. Hey-ho.
I wonder if I can talk BT into giving me bunched pairs?

I've tried the adslguide tester by the way and I just get the blank grey square. I've done as they suggested and deleted and re-installed Java bt I think there may be a problem with their tester itself.

I'll have a go at the registry tweek (after backing up my old registry settings). Thx again

Bolshi - 04 May 2006 15:24 - 4507 of 11003

Kayak: Under HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
I don't have any MaxConnections.... (or like) value names.

Kayak - 04 May 2006 16:05 - 4508 of 11003

Bolshi, create them if they are not there. The first few I have in there are AutoConfigProxy, CertificateRevocation, DisableCachingOfSSLPages, EmailName, EnableAutodial etc. etc.

Bolshi - 04 May 2006 16:43 - 4509 of 11003

Kayak, yep I have those first as well. I've never created value's but game for it :-)
I am using Registry Magic which is a Fix-It utility so not totally flying blind - just a little bit foggy!
Because I couldn't find the values I started a "Find" command looking for "MaxConnectionsPer*" under My Computer searching for a Value Name. It started at 1535 and still going strong!!!! I'll cancel it.

My other thought was to lower the line resistance of household wiring. I am connected via Ethernet (someone told me it was the most efficient way), but my router is plugged in via a small extension off the bedroom extention (18 metres-ish + 2 plug and sockets). I reckon to save a few ohms by plugging router in to main telephone socket and then wireless to my PC. Is it worth it do you reckon?

Mega Bucks - 04 May 2006 21:01 - 4510 of 11003

My eldest lad has just emailed me with this problem,any ideas please ????

HELP.............bought a wireless router and a wireless card for the pc but still cant get connected to the internet via it..........the comp will work great with my broadband until I try to use the router then I get no internet connection I get all the correct lights up, excellent strength signal but I cant get my server to work with it..........my server is AOL and ive tried asking it to find new connection but its not playing.


Hope someone can help please !!!

Rick...

Kayak - 04 May 2006 21:02 - 4511 of 11003

It's not a question of Ohms (after all the signal has come a few thousand meters already) but of how far around the house the ADSL signal travels. As it travels it will be subject to interference from household appliances as well as from the bell wire which is split out at the master socket in UK installations. The bell wire acts as an aerial picking up AM stations which interfere with the ADSL signal.

Ergo the best thing to do is to split out the ADSL signal at the master socket and only pass the telephone signal to the extensions. If you have a modern master socket with the two halves there is a replacement half which does this. But it won't actually help you at this stage since you are already on the maximum speed of 8192kbps. The lowering in performance in going to a wireless connection would be much greater.
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