# Problems with modules installation

**URL:** <https://discourse.slicer.org/t/problems-with-modules-installation/11036>\
**Category:** Support\
**Created:** [April 8, 2020, 2:12am UTC](https://discourse.slicer.org/t/problems-with-modules-installation/11036 "2020-04-08T02:12:41Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![pieper](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/pieper/32/8_2.png) [@pieper](https://discourse.slicer.org/u/pieper)\
**Post date:** [April 9, 2020, 8:37pm UTC](https://discourse.slicer.org/t/problems-with-modules-installation/11036/7 "2020-04-09T20:37:46Z")

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Hi @doc-xie - you might try this command on the mac on the nightly builds:

`codesign --force --deep -s - /Applications/Slicer.app/Contents/MacOS/Slicer`

It seems to really speed up application startup time and extension manager dialog operations.

More info here:

> [@Extension Wizard - file open dialogs hang UI for several seconds](https://discourse.slicer.org/t/extension-wizard-file-open-dialogs-hang-ui-for-several-seconds/7881/37):
>
> Andras and I did some more digging into this issue. Logged tccd using this command: log stream --debug --predicate ‘subsystem == “com.apple.TCC”’ During startup, there is a 50sec window where tccd is presumably checking the application signature: 2019-11-13 12:41:30.733517-0500 0x7694f Info 0xa9379 199 0 tccd: [com.apple.TCC:access] adhoc signed StaticCode :0x7fa6d33950e0 START 2019-11-13 12:42:23.224389-0500 0x7694f Info 0xa9379 199 …

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_[View the full topic](https://discourse.slicer.org/t/problems-with-modules-installation/11036)._