Clean your Run command History

1. At first open run commend by using 'windows key + R'
2. Then write 'regedit' Registry editor will be open. Then GO..
3. HKEY_CURRENT_USER -> Software -> Microsoft -> Windows -> Current Version -> Explorer -> Run MRU
3. Then see right panel and select which name you want to delete. Then click right button and delete.
4. Close 'registry editor' and 'restart' your PC.