sw.js not download from site web.whatsapp.com

[dixonmarinho]

Welcome!

• Yes, I have searched for similar issues on GitHub and found none.

What did you do?

When generating the QR CODE it gives an error in the log that it was not possible to download the sw.js file

What did you expect?

He should generate the QR code

What did you observe instead of what you expected?

Error

Screenshots/Videos

Which version are you using?

Ultima

What is your environment?

Linux

If applicable, paste the log output

evolution-go-1 | [GIN] 2026/04/28 - 15:26:31 | 400 | 5.004049695s | 10.0.2.2 | GET "/instance/qr"
evolution-go-1 | 2026/04/28 15:26:33 [ERR] [b2881510-94a7-4d75-9cbb-97b5e89415ff] Failed to fetch WhatsApp Web version: failed to fetch WhatsApp Web version: Get "https://web.whatsapp.com/sw.js": dial tcp 192.0.2.1:443: i/o timeout
evolution-go-1 | [GIN] 2026/04/28 - 15:26:35 | 200 | 844.41µs | 10.0.2.2 | GET "/instance/all"
evolution-go-1 | [GIN] 2026/04/28 - 15:26:40 | 200 | 816.01µs | 10.0.2.2 | GET "/instance/all"
evolution-go-1 | [GIN] 2026/04/28 - 15:26:45 | 200 | 765.509µs | 10.0.2.2 | GET "/instance/all"
evolution-go-1 | [GIN] 2026/04/28 - 15:26:50 | 200 | 848.71µs | 10.0.2.2 | GET "/instance/all"
evolution-go-1 | [GIN] 2026/04/28 - 15:26:55 | 200 | 829.91µs | 10.0.2.2 | GET "/instance/all"
evolution-go-1 | [GIN] 2026/04/28 - 15:27:00 | 200 | 771.809µs | 10.0.2.2 | GET "/instance/all"
evolution-go-1 | 2026/04/28 15:27:03 [ERR] [b2881510-94a7-4d75-9cbb-97b5e89415ff] Failed to fetch WhatsApp Web version: failed to fetch WhatsApp Web version: Get "https://web.whatsapp.com/sw.js": dial tcp 192.0.2.1:443: i/o timeout
evolution-go-1 | 2026/04/28 15:27:03 [ERR] [b2881510-94a7-4d75-9cbb-97b5e89415ff] Failed to connect: failed to dial whatsapp web websocket: failed to WebSocket dial: failed to send handshake request: Get "https://web.whatsapp.com/ws/chat": dial tcp 192.0.2.1:443: i/o timeout
evolution-go-1 | [GIN] 2026/04/28 - 15:27:05 | 200 | 926.211µs | 10.0.2.2 | GET "/instance/all"
evolution-go-1 | [GIN] 2026/04/28 - 15:27:10 | 200 | 844.411µs | 10.0.2.2 | GET "/instance/all"
evolution-go-1 | [GIN] 2026/04/28 - 15:27:15 | 200 | 796.609µs | 10.0.2.2 | GET "/instance/all"
evolution-go-1 | [GIN] 2026/04/28 - 15:27:20 | 200 | 691.009µs | 10.0.2.2 | GET "/instance/all"
evolution-go-1 | [GIN] 2026/04/28 - 15:27:25 | 200 | 880.411µs | 10.0.2.2 | GET "/instance/all"
evolution-go-1 | [GIN] 2026/04/28 - 15:27:30 | 200 | 773.51µs | 10.0.2.2 | GET "/instance/all"
evolution-go-1 | 2026/04/28 15:27:33 [ERR] [b2881510-94a7-4d75-9cbb-97b5e89415ff] Failed to fetch WhatsApp Web version: failed to fetch WhatsApp Web version: Get "https://web.whatsapp.com/sw.js": dial tcp 192.0.2.1:443: i/o timeout
evolution-go-1 | 2026/04/28 15:27:33 [ERR] [b2881510-94a7-4d75-9cbb-97b5e89415ff] Failed to connect: failed to dial whatsapp web websocket: failed to WebSocket dial: failed to send handshake request: Get "

Additional Notes

No response

[VitorS0uza]

It appears to be some kind of block.

You can also change your settings to get the latest version of WhatsApp via this URL: https://raw.githubusercontent.com/wppconnect-team/wa-version/main/versions.json.