I used CEF 83.0.4103.97 and set cache_path to "D:\\11".
When I opened both applications, the page load of the second application was very slow, and the CEF log reported the following error.
[1225/140309.949:WARNING:value_store_frontend.cc(44)] Reading mhjfbmdgcfjbbpaeojofohoefgiehjai.alarms from failed: IO error: .../LOCK: File currently in use. (ChromeMethodBFE: 15::LockFile::2)
[1225/140321.196:ERROR:cache_util_win.cc(21)] Unable to move the cache: 拒绝访问。 (0x5)
[1225/140321.197:ERROR:cache_util.cc(139)] Unable to move cache folder D:\11\GPUCache to D:\11\old_GPUCache_000
[1225/140321.197:ERROR:disk_cache.cc(184)] Unable to create cache
[1225/140321.197:ERROR:shader_disk_cache.cc(606)] Shader Cache Creation failed: -2
[1225/140321.600:ERROR:cache_util_win.cc(21)] Unable to move the cache: 拒绝访问。 (0x5)
[1225/140321.601:ERROR:cache_util.cc(139)] Unable to move cache folder D:\11\Cache to D:\11\old_Cache_000
[1225/140321.601:ERROR:disk_cache.cc(184)] Unable to create cache