>If you also get 'cannot lock file', try this.
>
>To resolve this issue, increase the value of the IRPStackSize registry entry.
>
>To do this, follow these steps:
>Click Start, click Run, type regedit, and then click OK.
>Locate and then click the following registry subkey:
>HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters
>If the IRPStackSize entry is not present in this subkey, follow these steps:
>Click Edit, point to New, and then click DWORD Value.
>Type IRPStackSize, and then press ENTER.
>
>Note Type IRPStackSize exactly as it appears. The value name is case sensitive.
>Click IRPStackSize, click Edit, and then click Modify.
>In the Data Value box, type a larger value, and then click OK.
>
>Note Values may range from 0x1 to 0xC. These values are equivalent to 1 to 12 in decimal notation.
>If the problem persists after you complete the previous procedure, increase the value of IRPStackSize more.
>
>We found setting this to 60 did the trick.

Something doesn't add up. Allowed values range 1-12 and you set it to 60