# Error loading zlipwapi.dll

**URL:** <https://forum.kx.com/t/error-loading-zlipwapi-dll/11630>\
**Category:** Community Support\
**Tags:** kdb-and-q\
**Created:** [October 29, 2017, 2:18pm UTC](https://forum.kx.com/t/error-loading-zlipwapi-dll/11630 "2017-10-29T14:18:00Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![hoffmanroni1](https://avatars.discourse-cdn.com/v4/letter/h/8dc957/32.png) [@hoffmanroni1](https://forum.kx.com/u/hoffmanroni1)\
**Post date:** [October 29, 2017, 2:18pm UTC](https://forum.kx.com/t/error-loading-zlipwapi-dll/11630/1 "2017-10-29T14:18:00Z")

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Hi all, I am getting an error trying to compress with zlibwapi.dll on windows.

I have zibwapi.dll next to q.exe and I’m calling

`.comp:.z.zd:(17;2;6);`

when I try&nbsp;

`path set .Q.en[dir] table`

I get an error

failed to load zlibwapi.dll

zlib

Any ideas?

Many thanks

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<div class="post-metadata">

**Author:** ![charlie1](https://avatars.discourse-cdn.com/v4/letter/c/ec9cab/32.png) [@charlie1](https://forum.kx.com/u/charlie1)\
**Post date:** [October 29, 2017, 2:26pm UTC](https://forum.kx.com/t/error-loading-zlipwapi-dll/11630/2 "2017-10-29T14:26:00Z")

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try putting the dll in

for 64bit kdb+: $QHOME/w64

for 32bit kdb+: $QHOME/w32

remember to download/use the respective 32/64bit dll zlibwapi.dll build

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<div class="post-metadata">

**Author:** ![hoffmanroni1](https://avatars.discourse-cdn.com/v4/letter/h/8dc957/32.png) [@hoffmanroni1](https://forum.kx.com/u/hoffmanroni1)\
**Post date:** [October 29, 2017, 6:26pm UTC](https://forum.kx.com/t/error-loading-zlipwapi-dll/11630/3 "2017-10-29T18:26:00Z")

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Whoops you’re right I had wrong dll type.&nbsp; Thanks very much Charles.