-*- outline -*-

* XP.

** Recovery.

  cmd> sfc /Scannow

To complite repair you may need original installation CD. Works for
Windows 2000, Windows XP, Windows 2003.

See

  http://support.microsoft.com/kb/222471/
  http://support.microsoft.com/kb/310747/ru

* Vista

** Samba.

By default, you cannot authenticate and share files to and from Mac OS X or
Linux Samba due to a well known authentication method turned off by default.
To enable this,

*** Only for Windows Vista Ultimate/Business/Enterprise Editions.

Goto Start->Run and open gpedit.msc or secpol.msc

Select Continue on the User Account Control prompt. This will launch the Group
Policy Object Editor for the Local Computer Policy.

In the Group Policy Object Editor, expand:

-> Computer Configuration
-> Windows Settings
-> Security Settings
-> Local Policies
-> Security Options

Open the "Network security: LAN Manager authentication level" policy and
change the Security Setting to:

Send LM & NTLM - use NTLMv2 session security if negotiated

*** Windows Vista Home Edition.

Since Windows Vista Home Edition does not feature the Group Policy Editor, you
may do the following to enable this feature:

Goto Start->Run-> and type regedit.

Select Continue on the User Account Control prompt.

Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa

Create the following DWORD value (if it doesn't exist): LmCompatibilityLevel

And set its value to: 1