src/vs/platform/update/electron-main/updateService.win32.ts/Win32UpdateService/cachePath
class Win32UpdateService:	get cachePath(): Promise<string> {
		const result = path.join(tmpdir(), `vscode-update-${this.productService.target}-${process.arch}`);
		return pfs.Promises.mkdir(result, { recursive: true }).then(() => result);
	}