# Clarion 12 - What Problems or Issues have you found? **URL:** \ **Category:** uncategorized\ **Created:** [May 17, 2025, 4:22pm UTC](https://clarionhub.com/t/clarion-12-what-problems-or-issues-have-you-found/8182 "2025-05-17T16:22:55Z")\ **Posts on this page:** 1\ **Showing post:** 27
**Author:** ![CarlBarnes](https://clarionhub.com/user_avatar/clarionhub.com/carlbarnes/32/1859_2.png) [@CarlBarnes](https://clarionhub.com/u/CarlBarnes)\ **Post date:** [May 21, 2025, 5:26pm UTC](https://clarionhub.com/t/clarion-12-what-problems-or-issues-have-you-found/8182/27 "2025-05-21T17:26:40Z")
> [@Corentin\_GROSDEMANGE](#): > > ```auto > Exception Type: System.IO.FileNotFoundException > File Not Found: clarion.asl.dll > > ``` I have the file “clarion.asl.dll” in C:\Clarion12\bin. Its 154,112 bytes and dated 4/25/2025 * * * There is the below post in DiscussSV Clarion 12 with your same problem and a solution: > -------- Forwarded Message -------- > Subject: Re: Please can someone help me with the error when starting C12? > Date: 21 May 2025 01:59:35 -0400 > From: Paul Morrison [paulmorrison@gmail.com](mailto:paulmorrison@gmail.com) > Newsgroups: sv.clarion.clarion12 > References: [A921.1747768504.4921@discuss.softvelocity.com](mailto:A921.1747768504.4921@discuss.softvelocity.com) > > Cristian Olsen (@colsenviking in IG) wrote: > > > Exception Type: Syste.IO.FileNotFoundException. > > Clarion.asl.dll > > If this is the same error I had (installing C12 PE on a fresh Windows 11 Virtual Machine for testing) I suspect it’s because the Clarion installer does not trigger the install of the required VC Redistributables. Instead of trying to figure out which ones to install, I first installed the latest C11.1 PE release, which did install the VC files, and after that I was able to install, run, and register C12. > > Good luck. > Paul Morrison --- _[View the full topic](https://clarionhub.com/t/clarion-12-what-problems-or-issues-have-you-found/8182)._