Here is what is under registry errors. It means nothing to me.
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Classes\CLSID\{32be5ed2-5c86-480f-a914-0ff8885a1b3f}\ToolboxBitmap32\ ##### %SystemRoot%\system32\rdpencax.ocx, 1
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\IMEJP\10.0\directories\UsrDictPath ##### %SystemRoot%\system32\IME\IMEJP10\UsrDict
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Recognizers\Tokens\MS-1033-80-DESK\Models\1033\L1033\ ##### %windir%\Speech\Engines\SR\en-US\L1033
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Recognizers\Tokens\MS-1033-80-DESK\Models\1033\L1033\AMs\AF031033 ##### %windir%\Speech\Engines\SR\en-US\af031033
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Recognizers\Tokens\MS-1033-80-DESK\Models\1033\L1033\AMs\AI031033 ##### %windir%\Speech\Engines\SR\en-US\ai031033
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Recognizers\Tokens\MS-1033-80-DESK\Models\1033\L1033\AMs\AM031033 ##### %windir%\Speech\Engines\SR\en-US\am031033
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Recognizers\Tokens\MS-1033-80-DESK\Models\1033\L1033\LMs\Main\ ##### %windir%\Speech\Engines\SR\en-US\L1033
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Recognizers\Tokens\MS-1033-80-DESK\Models\1033\L1033\LMs\Main\Pronunciation ##### %windir%\Speech\Engines\SR\en-US\p1033
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Recognizers\Tokens\MS-1033-80-DESK\Models\1033\L1033\LMs\Main\Spelling ##### %windir%\Speech\Engines\SR\en-US\s1033
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Recognizers\Tokens\MS-1033-80-DESK\Models\1033\L1033\LMs\Main\URL ##### %windir%\Speech\Engines\SR\en-US\u1033
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Recognizers\Tokens\MS-1033-80-DESK\Models\1033\L1033\LMs\Main\HowDoI ##### %windir%\Speech\Engines\SR\en-US\t1033
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Recognizers\Tokens\MS-2057-80-DESK\Models\2057\L2057\ ##### %windir%\Speech\Engines\SR\en-GB\L2057
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Recognizers\Tokens\MS-2057-80-DESK\Models\2057\L2057\AMs\AF032057 ##### %windir%\Speech\Engines\SR\en-GB\af032057
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Recognizers\Tokens\MS-2057-80-DESK\Models\2057\L2057\AMs\AI032057 ##### %windir%\Speech\Engines\SR\en-GB\ai032057
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Recognizers\Tokens\MS-2057-80-DESK\Models\2057\L2057\AMs\AM032057 ##### %windir%\Speech\Engines\SR\en-GB\am032057
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Recognizers\Tokens\MS-2057-80-DESK\Models\2057\L2057\LMs\Main\ ##### %windir%\Speech\Engines\SR\en-GB\L2057
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Recognizers\Tokens\MS-2057-80-DESK\Models\2057\L2057\LMs\Main\Pronunciation ##### %windir%\Speech\Engines\SR\en-GB\p2057
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Recognizers\Tokens\MS-2057-80-DESK\Models\2057\L2057\LMs\Main\Spelling ##### %windir%\Speech\Engines\SR\en-GB\s2057
Invalid File or Folder ##### HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\IME\China\imesc\Directories\InstallDir ##### %SystemRoot%\IME\IMESC
Try cleaning your registry first (free software for this):
http://www.eusing.com/free_registry_cleaner/registry_cleaner.htm
After that take a look at the services you're running and shut down unnecessary ones; uninstall unnecessary programs (and clean again your registry).
Today you can get a PC with 3Gb of Ram from Best buy for 350$ or less but try cleaning the one you have first...