AV in SB

I was browsing partitions on the RHS and clicked on the LHS, got this error. It popped up several more times as I was clicking around SB and seemed related to partitions listing but after closing SB window and re-opening, I cannot reproduce.

EurekaLog 7.5.1.0

Application:

1.1 Start Date : Sat, 24 Feb 2018 08:31:14 -0600
1.2 Name/Description: Toad.exe - (Toad® for Oracle)
1.3 Version Number : 13.0.0.51
1.4 Parameters :
1.6 Up Time : 1 hour(s), 24 minute(s), 8 second(s)

Exception:

2.1 Date : Sat, 24 Feb 2018 09:55:22 -0600
2.2 Address : 00000000041A091C
2.3 Module Name: Toad.exe - (Toad® for Oracle)
2.5 Type : EAccessViolation
2.6 Message : Access violation at address 00000000041A091C in module ‘Toad.exe’. Read of address FFFFFFFFFFFFFFFF.
2.7 ID : AD8B0000
2.8 Count : 1
2.11 Sent : 0

User:

3.2 Name: CHX

Active Controls:

4.1 Form Class : TfrmObjects
4.2 Form Text : DARDBA@TOSS2_STARK (toss2:arya) - Schema Browser (MARKET_DATA)
4.3 Control Class: TcxTreeList
4.4 Control Text :

Computer:

5.2 Total Memory : 8545914880 (7.96 Gb)
5.3 Free Memory : 996048896 (949.91 Mb)
5.4 Total Disk : 500105216000 (465.76 Gb)
5.5 Free Disk : 328894427136 (306.31 Gb)
5.6 System Up Time : 13 day(s), 5 hour(s), 41 minute(s), 58 second(s)
5.7 Processor : Intel® Core™ i7-2600 CPU @ 3.40GHz
5.8 Display Mode : \.\DISPLAY1[PRIMARY]: 1920x1080x32 96 DPI @ 0x0, \.\DISPLAY2: 1920x1080x32 96 DPI @ 1920x0
5.9 Display DPI : 96
5.10 Video Card : RDPDD Chained DD (driver )
5.11 Printer : Remote Desktop Easy Print (driver 6.3.9600.17728)
5.12 Virtual Machine:

Operating System:

6.1 Type : Microsoft Windows 7 (64 bit)
6.2 Build # : 7601 (6.1.7601.23403)
6.4 Non-Unicode Language: English (0409)
6.5 Charset/ACP : 0/1252
6.6 Install Language : English (0409)
6.7 UI Language : English (0409)

Steps to reproduce:

8.1 Text:

Call Stack Information:

|Methods |Details|Stack |Address |Module |Offset |Unit |Class |Procedure/Method |Line|

|*Exception Thread: ID=16076; Parent=0; Priority=-2 |
|Class=; Name=MAIN |
|DeadLock=0; Wait Chain= |

Comment=
7FFFFFFE
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040
00000040