IOError while compiling on windows

I get this error when compiling on windows
```log
Error: unhandled exception: Unknown IO Error [IOError]
```
it happens randomly on any program i try to compile
```
Nim Compiler Version 0.18.0 [Windows: amd64]
Copyright (c) 2006-2018 by Andreas Rumpf

git hash: 5ee9e86c87d831d32441db658046fc989a197ac9
active boot switches: -d:release
```