Subject Re: Nested DO/UDF From Andy Taylor <andy.taylor.1959@outlook.com> Date Sun, 28 Aug 2022 13:18:55 +0100 Newsgroups dbase.getting-started Hi Bob, I think there are two avenues to follow here: 1) Rollback the windows update and see if it makes a difference.  This is time consuming and fiddly but at least it will let you know if MS caused the problem or not. See if there is a problem within dBASE. 2a) Try recompiling C:\BMCustom\base.cfm to create a new cfo. 2b) If the problem remains then investigate the coding within your base forms. What does line 26 do? If all looks ok then post it here for other minds to ponder as well. Andy On 27/08/2022 12:45, Bob McKinney wrote: > Hi All:   I have 2 computers, a new HP w/win 11 and db 2019, and an old HP laptop w/win 10 (updated) , > where  I keep personal information using dB2.8.  After using the laptop, I started to close and > saw the familiar msg from M...... "Don't shut down computer for update".  After about and hour > I opened the laptop w/db2.8 and attempted to open a form from the Navigator, and was > blocked by the error msg  [Too many nested DO/UDF]  File: C:\BMCustom\base.cfo,  Routine": > "BASE_CFORM::BASE_CFORM",  lINE:  26,   The only  fix was "ignore".  Since the "update"Every > form on the computer was blocked by the same msg.  Clicking Ignore only causes a blink. > > The operation of the forms "before the update" was normal, after, blocked by the msg.  I have no idea what the problem is or how to repair it.  Any help appreciated......Bob