Fixed typos in error message

ep_setup/ep_setup.c

@@ -504,12 +504,12 @@ int WINAPI wWinMain(
                 NULL,
                 L"An error has occurred while servicing this product.\n"
                 L"This is most likely caused by one or more of the backup files from a previous update still being in use. "
-                L"Unlocking the files will most likely fix this issue.\n\n"
+                L"Unlocking the files should fix this issue.\n\n"
                 L"Troubleshooting steps:\n"
                 L"* Close and reopen the \"Properties\" dialog if it is currently open.\n"
                 L"* Kill and restart all \"explorer.exe\" processes.\n"
                 L"* If you have registered this application as a shell extension, then restarting the computer will probably fix this.\n"
-                L"* Lastly, reboot the computer and try this operation again.",
+                L"* Lastly, reboot the computer and try again.",
                 _T(PRODUCT_NAME),
                 MB_ICONERROR | MB_OK | MB_DEFBUTTON1
             );