Command Promt da çalıştırlan komutlar bulunamadı uyarısı ile karşılaşılınca aşağıdaki işlemleri uygulayabilirsiniz.

Merhabalar

1.Go to: Start > Run > Regedit

2.Check: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerEnvironment

Make sure that the registry key holding the path is of Reg_Expand_SZ type rather Reg_SZ type

3.If the holding key is Reg_SZ change it into Reg_Expand_SZ by:

■Double Click “Path” and copy it’s Data Value “…%SystemRoot%system32;%SystemRoot%; …” to avoid to rewrite it again

■Delete the “Path”

■Create New > Expandable String Value

■Give “Path” as the name, double click it, and Paste the value copied in the previous step to the “Value Data” field

Restart system.

http://www.jauhari.net/resolved-can-not-run-any-windows-command-prompt.jsp