...slogans are forgotten like fairy-tales were
So Add / Remove Windows components from Control Panel -> Add or Remove Programs doesn't open, which is accompanied with the following error:
Unable to open information file custom.inf Contact administrator.
Specific error code - 0x2 at line 2011777033
So, you have a folder with Windows Update Files (e.g. downloaded from Microsoft Update Center):
... WindowsXP-KB938464-v2-x86-RUS.exe WindowsXP-KB944043-v3-x86-RUS.exe WindowsXP-KB946648-x86-RUS.exe WindowsXP-KB950762-x86-RUS.exe WindowsXP-KB950974-x86-RUS.exe ... ... (a lot of files)
If you have such a folder, then it's logical to install all the files automatically at once, with a single command line.
Today I've faced with a problem – Opera 11 couldn't start on Windows XP and showed the following error:
Opera has failed to access or upgrade your profile. This may have occurred because your computer has insufficient recources available or because some files are locked by other applications.