Update _index.en.md

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@ -3,9 +3,9 @@ title: FAQ for Windows
weight: 40
---
## vcpkg download package failed
### vcpkg download package failed
### Error
#### Error
```
-- Fetching https://chromium.googlesource.com/libyuv/libyuv 287158925b0e03ea4499a18b4e08478c5781541b...
@ -13,15 +13,15 @@ weight: 40
Command failed: D:/program/Git/mingw64/bin/git.exe fetch https://chromium.googlesource.com/libyuv/libyuv 287158925b0e03ea4499a18b4e08478c5781541b --depth 1 -n
```
### Solution
#### Solution
Use a browser to download `https://chromium.googlesource.com/libyuv/libyuv/+archive/287158925b0e03ea4499a18b4e08478c5781541b.tar.gz`, then move it into `vcpkg/downloads` and reinstall.
Use a browser to download [libyuv-287158925b0e03ea4499a18b4e08478c5781541b.tar.gz](https://chromium.googlesource.com/libyuv/libyuv/+archive/287158925b0e03ea4499a18b4e08478c5781541b.tar.gz), then move it into `vcpkg/downloads` and reinstall.
## Package in Cargo.lock not exist
### Package in Cargo.lock not exist
### Error
#### Error
```
$ cargo run
@ -42,34 +42,34 @@ $ cargo run
Maybe the author used `git force push` and the previous commit was overwritten.
### Solution
#### Solution
`cargo update`, force the package to be updated.
## VCPKG_ROOT not set
### VCPKG_ROOT not set
### Error
#### Error
```
thread 'main' panicked at 'Failed to find package: VcpkgNotFound("No vcpkg installation found. Set the VCPKG_ROOT environment variable or run 'vcpkg integrate install'")', libs\scrap\build.rs:7:45
```
### Solution
#### Solution
Add `VCPKG_ROOT` environment variable, or run with `VCPKG_ROOT=<vcpkg_dir> cargo run`.
## clang not installed, or LIBCLANG_PATH not set
### clang not installed, or LIBCLANG_PATH not set
### Error
#### Error
```
thread 'main' panicked at 'Unable to find libclang: "couldn't find any valid shared libraries matching: ['clang.dll', 'libclang.dll'], set the `LIBCLANG_PATH` environment variable to a path where one of these files can be found (invalid: [])"', C:\Users\selfd\.cargo\registry\src\mirrors.ustc.edu.cn-61ef6e0cd06fb9b8\bindgen-0.59.2\src/lib.rs:2144:31
```
### Solution
#### Solution
Install [LLVM](https://releases.llvm.org/download.html), add the `LIBCLANG_PATH` environment variable as `llvm_install_dir/bin`.