11 Updated - Slack Freezes Windows

A frozen Slack app on Windows 11 is not a sign that your computer is failing or that you need a hardware upgrade. It is a software conflict—usually between Slack’s rendering engine and your GPU driver, or between an overly aggressive cache and the file system.

If disabling hardware acceleration didn’t help, your cache is likely corrupt. slack freezes windows 11

In nine out of ten cases, this resolves all freezing issues. A frozen Slack app on Windows 11 is

This is the most common fix for Slack freezes. Hardware acceleration shifts graphical tasks to your GPU, which can cause instability if there are driver conflicts. In nine out of ten cases, this resolves all freezing issues

If none of these steps resolve the issue, you may want to reach out to Slack support or check their status page for any known issues.

Slack stores a local cache of messages, files, and emojis to speed up loading. Over time, this cache can become corrupt, especially after a Windows 11 feature update (like 22H2 to 23H2). When Slack attempts to read a corrupted index file or a malformed cache entry, it throws an unhandled exception that freezes the renderer process.