After connecting with XP computer network "suspended" - at workstations with Windows 98 networking environment is not working ...

The most probable reason - the operating system is trying to manage the entire network. For starters, try to put this car NetBEUI protocol (if it has not been installed), and then - if not help - change the parameters in the system registry, responsible for the "ambition" of operating system:
HKEY_LOCAL_MACHINE SYSTEM CurrentControlSet Services Browser Parameters
IsDomainMaster = FALSE
MaintainServerList = No

As in the Windows XP install NetBEUI protocol?

Find the CD with Windows XP distro ValueaddMsftNetNetbeui folder and copy from the two files: nbf.sys in the folder% SystemRoot% System32Drivers netnbf.inf and in the folder% SystemRoot% Inf. After that, open Internet network and install p p otokol NetBEUI.

How to disable QoS (Quality of Service). Was it true that it limits the speed network?

Indeed, the service "Quality of Service" reserves 20% of the bandwidth, and any - although the modem at 14400, while the Gigabit Ethernet channel. A feature of this service is that even with the removal from service QoS properties connection throughput channel width is not relieved ...
To exempt channel (or configure QoS) in the following way: run the applet Group Policy (gpedit.msc), we find there Local C omputer policy and push for Administrative templates (Administrative templates), and then select the Network - QoS Packet Sheduler. Turn Limit reservable bandwidth and c nizhaem Bandwidth limit of 20% set by default to 0, or even disable it.
Note: the entry into force of the modifications required rebooting.

Windows wants to upgrade all the time and trying to climb on the Internet. This ugliness can be stopped?

You can: Start / Control Panel / System, and there on the Automatic Updates tab, it should be noted last paragraph - "Turn off". Then follow the emergence of an operating system updates will have their own ...

How to include internet security?

One of the new features that have emerged in WinXP - firewall for Internet security. Login to the properties of the compounds that you want to protect: the Start / Control Panel / Network Connections in the context menu, select the desired item Properties icon, and select the Advanced tab, note the item "Protect my computer and ..." (unlikely to get wrong - they put more jackdaw nowhere)

Is it possible to completely disable hidden shares (ADMIN $, C $, etc.)?

These resources in Windows XP (as in W2K), there by default (access is possible only under the Administrator account), and, if you delete these resources through the Office of the PC (Computer Management) -> "Shared Folders", then after They will reboot again, and you can completely disable them only through changes in the roster.