Occasionally people report this problem but so far I've never been able to figure it out. The sandbox folders are created with no access controls, which in effect gives access to everyone on the computer.
The only thing I can think about is perhaps some scanner or other security program sees this, thinks it's too lenient, and tweaks the access controls in a way that makes the folder inaccessible. Again that's just a very wild guess.
I would suggest this. Start a command prompt window:
Windows Start Menu -> All Programs -> Accessories -> Command Prompt
A black window appears, type these lines, typing Enter after each one.
- Code: Select all
cacls sandbox /g everyone:f
1. This is assuming your sandbox is located at C:\SANDBOX
2. After the last line you'll get a prompt asking you to confirm, so enter Y in response.
3. After typing these lines, try to delete the sandbox folders again.
4. If that doesn't work from your "normal user" account, then try from your Administrator account.